APA (7th ed.) Zitazioa

Learned Publishing. Wiley-Blackwell.

Chicago Style (17th ed.) Zitazioa

Learned Publishing. Wiley-Blackwell.

MLA (9th ed.) Zitazioa

Learned Publishing. Wiley-Blackwell.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.