Cantor, N. F. (1969). Medieval history: The life and death of a civilization (2nd.ed.). Macmillan.
Lua i Stíl Chicago (17ú heag.)Cantor, Norman F. Medieval History: The Life and Death of a Civilization. 2nd.ed. New York: Macmillan, 1969.
Lua MLA (9ú heag.)Cantor, Norman F. Medieval History: The Life and Death of a Civilization. 2nd.ed. Macmillan, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.