Moreno C., Francisco. Cómo escribir textos académicos según normas internacionales: APA, IEEE, MLA, Vancouver e Icontec.: Universidad del Norte, . p 142http://site.ebrary.com/id/10458287?ppg=142Copyright © Universidad del Norte. . All rights reserved.May not be reproduced in any form without permission from the publisher,except fair uses permitted under U.S. or applicable copyright law.

Moreno C., Francisco. Cómo escribir textos académicos según normas internacionales: APA, IEEE, MLA, Vancouver e Icontec.: Universidad del Norte, . p 143http://site.ebrary.com/id/10458287?ppg=143Copyright © Universidad del Norte. . All rights reserved.May not be reproduced in any form without permission from the publisher,except fair uses permitted under U.S. or applicable copyright law.

Moreno C., Francisco. Cómo escribir textos académicos según normas internacionales: APA, IEEE, MLA, Vancouver e Icontec.: Universidad del Norte, . p 144http://site.ebrary.com/id/10458287?ppg=144Copyright © Universidad del Norte. . All rights reserved.May not be reproduced in any form without permission from the publisher,except fair uses permitted under U.S. or applicable copyright law.

Moreno C., Francisco. Cómo escribir textos académicos según normas internacionales: APA, IEEE, MLA, Vancouver e Icontec.: Universidad del Norte, . p 145http://site.ebrary.com/id/10458287?ppg=145Copyright © Universidad del Norte. . All rights reserved.May not be reproduced in any form without permission from the publisher,except fair uses permitted under U.S. or applicable copyright law.

Moreno C., Francisco. Cómo escribir textos académicos según normas internacionales: APA, IEEE, MLA, Vancouver e Icontec.: Universidad del Norte, . p 146http://site.ebrary.com/id/10458287?ppg=146Copyright © Universidad del Norte. . All rights reserved.May not be reproduced in any form without permission from the publisher,except fair uses permitted under U.S. or applicable copyright law.

Moreno C., Francisco. Cómo escribir textos académicos según normas internacionales: APA, IEEE, MLA, Vancouver e Icontec.: Universidad del Norte, . p 147http://site.ebrary.com/id/10458287?ppg=147Copyright © Universidad del Norte. . All rights reserved.May not be reproduced in any form without permission from the publisher,except fair uses permitted under U.S. or applicable copyright law.

Moreno C., Francisco. Cómo escribir textos académicos según normas internacionales: APA, IEEE, MLA, Vancouver e Icontec.: Universidad del Norte, . p 148http://site.ebrary.com/id/10458287?ppg=148Copyright © Universidad del Norte. . All rights reserved.May not be reproduced in any form without permission from the publisher,except fair uses permitted under U.S. or applicable copyright law.

Moreno C., Francisco. Cómo escribir textos académicos según normas internacionales: APA, IEEE, MLA, Vancouver e Icontec.: Universidad del Norte, . p 149http://site.ebrary.com/id/10458287?ppg=149Copyright © Universidad del Norte. . All rights reserved.May not be reproduced in any form without permission from the publisher,except fair uses permitted under U.S. or applicable copyright law.

Moreno C., Francisco. Cómo escribir textos académicos según normas internacionales: APA, IEEE, MLA, Vancouver e Icontec.: Universidad del Norte, . p 150http://site.ebrary.com/id/10458287?ppg=150Copyright © Universidad del Norte. . All rights reserved.May not be reproduced in any form without permission from the publisher,except fair uses permitted under U.S. or applicable copyright law.

Moreno C., Francisco. Cómo escribir textos académicos según normas internacionales: APA, IEEE, MLA, Vancouver e Icontec.: Universidad del Norte, . p 151http://site.ebrary.com/id/10458287?ppg=151Copyright © Universidad del Norte. . All rights reserved.May not be reproduced in any form without permission from the publisher,except fair uses permitted under U.S. or applicable copyright law.

Moreno C., Francisco. Cómo escribir textos académicos según normas internacionales: APA, IEEE, MLA, Vancouver e Icontec.: Universidad del Norte, . p 152http://site.ebrary.com/id/10458287?ppg=152Copyright © Universidad del Norte. . All rights reserved.May not be reproduced in any form without permission from the publisher,except fair uses permitted under U.S. or applicable copyright law.

Moreno C., Francisco. Cómo escribir textos académicos según normas internacionales: APA, IEEE, MLA, Vancouver e Icontec.: Universidad del Norte, . p 153http://site.ebrary.com/id/10458287?ppg=153Copyright © Universidad del Norte. . All rights reserved.May not be reproduced in any form without permission from the publisher,except fair uses permitted under U.S. or applicable copyright law.

Moreno C., Francisco. Cómo escribir textos académicos según normas internacionales: APA, IEEE, MLA, Vancouver e Icontec.: Universidad del Norte, . p 154http://site.ebrary.com/id/10458287?ppg=154Copyright © Universidad del Norte. . All rights reserved.May not be reproduced in any form without permission from the publisher,except fair uses permitted under U.S. or applicable copyright law.

Moreno C., Francisco. Cómo escribir textos académicos según normas internacionales: APA, IEEE, MLA, Vancouver e Icontec.: Universidad del Norte, . p 155http://site.ebrary.com/id/10458287?ppg=155Copyright © Universidad del Norte. . All rights reserved.May not be reproduced in any form without permission from the publisher,except fair uses permitted under U.S. or applicable copyright law.

Moreno C., Francisco. Cómo escribir textos académicos según normas internacionales: APA, IEEE, MLA, Vancouver e Icontec.: Universidad del Norte, . p 156http://site.ebrary.com/id/10458287?ppg=156Copyright © Universidad del Norte. . All rights reserved.May not be reproduced in any form without permission from the publisher,except fair uses permitted under U.S. or applicable copyright law.

Moreno C., Francisco. Cómo escribir textos académicos según normas internacionales: APA, IEEE, MLA, Vancouver e Icontec.: Universidad del Norte, . p 157http://site.ebrary.com/id/10458287?ppg=157Copyright © Universidad del Norte. . All rights reserved.May not be reproduced in any form without permission from the publisher,except fair uses permitted under U.S. or applicable copyright law.