APA (7th ed.) Zitazioa

College and Research Libraries | Association of College and Research Libraries. Cambridge University Press.

Chicago Style (17th ed.) Zitazioa

College and Research Libraries | Association of College and Research Libraries. Cambridge University Press.

MLA (9th ed.) Zitazioa

College and Research Libraries | Association of College and Research Libraries. Cambridge University Press.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.