APA (7th ed.) Zitazioa

Nagele. The Evil That Surrounds Us. Indiana University Press.

Chicago Style (17th ed.) Zitazioa

Nagele. The Evil That Surrounds Us. Indiana University Press.

MLA (9th ed.) Zitazioa

Nagele. The Evil That Surrounds Us. Indiana University Press.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.