Robert McHenry. (1990). Great books of the Western World. Chicago, Illinois: Encyclopedia Britannica.
शिकागो स्टाइल उद्धरणRobert McHenry. Great Books of the Western World. Chicago, Illinois: Encyclopedia Britannica, 1990.
एमएलए उद्धरणRobert McHenry. Great Books of the Western World. Chicago, Illinois: Encyclopedia Britannica, 1990.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.