Burns, E. M. (1986). World civilizations, their history and their culture (7th ed.). W.W. Norton,.

Burns, Edward McNall. World Civilizations, Their History and Their Culture. 7th ed. New York, N.Y. : New Delhi ; Goyl Saab: W.W. Norton,, 1986.

Burns, Edward McNall. World Civilizations, Their History and Their Culture. 7th ed. W.W. Norton,, 1986.