American Psychological Association. (2002). Publication Manual of the American Psychological Association (quinta edición.). American Psychological Association.
Chicago Style (17th ed.) CitationAmerican Psychological Association. Publication Manual of the American Psychological Association. quinta edición. Washington D.C: American Psychological Association, 2002.
MLA (9th ed.) CitationAmerican Psychological Association. Publication Manual of the American Psychological Association. quinta edición. American Psychological Association, 2002.
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