APA (7th ed.) Zitazioa

Weaver, U. E. W. The Island of the Day Before. G.Britain.

Chicago Style (17th ed.) Zitazioa

Weaver, Umberto Eco William. The Island of the Day Before. G.Britain.

MLA (9th ed.) Zitazioa

Weaver, Umberto Eco William. The Island of the Day Before. G.Britain.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.