APA (7th ed.) Zitazioa
American Psychological Association. Ethical Standards of Psychologists / [por] American Psychological Association.
Chicago Style (17th ed.) Zitazioa
American Psychological Association. Ethical Standards of Psychologists / [por] American Psychological Association.
MLA (9th ed.) Zitazioa
American Psychological Association. Ethical Standards of Psychologists / [por] American Psychological Association.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.