Burns, E. M. (1986). World civilizations, their history and their culture (7th ed.). W.W. Norton,.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBurns, Edward McNall. World Civilizations, Their History and Their Culture. 7th ed. New York, N.Y. : New Delhi ; Goyl Saab: W.W. Norton,, 1986.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBurns, Edward McNall. World Civilizations, Their History and Their Culture. 7th ed. W.W. Norton,, 1986.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.