APA (7th ed.) Zitazioa
Kubly, H. (1961). Life world library Italy. Time incorporated.
Chicago Style (17th ed.) Zitazioa
Kubly, Herbert. Life World Library Italy. New york: Time incorporated, 1961.
MLA (9th ed.) Zitazioa
Kubly, Herbert. Life World Library Italy. Time incorporated, 1961.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.