APA aipamena

American Psychological Association. (2005). Concise rules of APA style. American Psychological Association.

Chicago Style aipamena

American Psychological Association. Concise Rules of APA Style. Washington, D.C: American Psychological Association, 2005.

MLA aipamena

American Psychological Association. Concise Rules of APA Style. American Psychological Association, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.