American Psychological Association. (2010). Publication manual of the American Psychological Association (6th ed.). American Psychological Association.
Chicago-referens (17:e uppl.)American Psychological Association. Publication Manual of the American Psychological Association. 6th ed. Washington, D.C: American Psychological Association, 2010.
MLA-referens (9:e uppl.)American Psychological Association. Publication Manual of the American Psychological Association. 6th ed. American Psychological Association, 2010.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.