APA (7th ed.) Zitazioa

(1972). Personal Appearance Identification [electronic resource].

Chicago Style (17th ed.) Zitazioa

Personal Appearance Identification [electronic Resource]. 1972.

MLA (9th ed.) Zitazioa

Personal Appearance Identification [electronic Resource]. 1972.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.