APA-ийн эшлэл(7 дахь хэвлэлт)

Burns, E. M., & Ralph, P. L. (1974). World civilizations: Their history and their culture. W.W. Norton & Company.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Burns, Edward McNall, ба Philip Lee Ralph. World Civilizations: Their History and Their Culture. New York: W.W. Norton & Company, 1974.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Burns, Edward McNall, ба Philip Lee Ralph. World Civilizations: Their History and Their Culture. W.W. Norton & Company, 1974.