APA (7th ed.) Zitazioa

Denny. Facing the Center. Utah State University Press.

Chicago Style (17th ed.) Zitazioa

Denny. Facing the Center. Utah State University Press.

MLA (9th ed.) Zitazioa

Denny. Facing the Center. Utah State University Press.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.