Wulf, M. d. (1969). Philosophy and civilization in the Middle Ages. New York: Greenwood Press.
शिकागो स्टाइल उद्धरणWulf, Maurice de. Philosophy and Civilization in the Middle Ages. New York: Greenwood Press, 1969.
एमएलए उद्धरणWulf, Maurice de. Philosophy and Civilization in the Middle Ages. New York: Greenwood Press, 1969.
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