APA-viite (7. p.)

(2001). Publication manual of the American psychological association (5th ed.). American Psychological Association.

Chicago-viite (17. p.)

Publication Manual of the American Psychological Association. 5th ed. Washington, DC: American Psychological Association, 2001.

MLA-viite (9. p.)

Publication Manual of the American Psychological Association. 5th ed. American Psychological Association, 2001.