American Psychological Association. (2010). Publication manual of the American Psychological Association (Sixth edition.). American Psychological Association.
Chicago-referens (17:e uppl.)American Psychological Association. Publication Manual of the American Psychological Association. Sixth edition. Washington, DC: American Psychological Association, 2010.
MLA-referens (8:e uppl.)American Psychological Association. Publication Manual of the American Psychological Association. Sixth edition. American Psychological Association, 2010.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.