APA-viite (7. p.)
(2010). Publication manual of the American Psychological Association (6th ed.). American Psychological Association.
Chicago-viite (17. p.)
Publication Manual of the American Psychological Association. 6th ed. Washington, DC: American Psychological Association, 2010.
MLA-viite (9. p.)
Publication Manual of the American Psychological Association. 6th ed. American Psychological Association, 2010.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.