APA (7th ed.) Zitazioa

Stewart. Electing the Senate. Princeton University Press.

Chicago Style (17th ed.) Zitazioa

Stewart. Electing the Senate. Princeton University Press.

MLA (9th ed.) Zitazioa

Stewart. Electing the Senate. Princeton University Press.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.