Edited by Norman F. Cantor. (1964). Early middle ages (500-1000), (2nd ed.). Free Press.
Chicago-viite (17. p.)Edited by Norman F. Cantor. Early Middle Ages (500-1000),. 2nd ed. New York,: Free Press, 1964.
MLA-viite (9. p.)Edited by Norman F. Cantor. Early Middle Ages (500-1000),. 2nd ed. Free Press, 1964.
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