APA (7th ed.) Zitazioa

Snow. Propaganda and American Democracy. Louisiana State University Press.

Chicago Style (17th ed.) Zitazioa

Snow. Propaganda and American Democracy. Louisiana State University Press.

MLA (9th ed.) Zitazioa

Snow. Propaganda and American Democracy. Louisiana State University Press.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.