McHenry, R. (1990). Great books of the Western World. Chicago, Illinois: Encyclopaedia Britannica.
शिकागो स्टाइल उद्धरणMcHenry, Robert. Great Books of the Western World. Chicago, Illinois: Encyclopaedia Britannica, 1990.
एमएलए उद्धरणMcHenry, Robert. Great Books of the Western World. Chicago, Illinois: Encyclopaedia Britannica, 1990.
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