Goff, J. l. (1964). Medieval civilization 400-1500. Basic blackwell.
Chicago Style (17th ed.) ZitazioaGoff, Jacques le. Medieval Civilization 400-1500. New York: Basic blackwell, 1964.
MLA (9th ed.) ZitazioaGoff, Jacques le. Medieval Civilization 400-1500. Basic blackwell, 1964.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.