APA (7th ed.) Zitazioa

Black, A. (1993). Political thought in Europe 1250-1450. Ir.

Chicago Style (17th ed.) Zitazioa

Black, Antony. Political Thought in Europe 1250-1450. Cambridge Univ: Ir, 1993.

MLA (9th ed.) Zitazioa

Black, Antony. Political Thought in Europe 1250-1450. Ir, 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.