Coffin, J. G., & Lerner, R. E. (2002). Western civilizations, their history & their culture (14th ed.). New York: Norton.
Chicago-tyylinen lähdeviittausCoffin, Judith G., ja Robert E. Lerner. Western Civilizations, Their History & Their Culture. 14th ed. New York: Norton, 2002.
MLA-viiteCoffin, Judith G., ja Robert E. Lerner. Western Civilizations, Their History & Their Culture. 14th ed. New York: Norton, 2002.
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