Fagan, B. M. (1983). People of the earth: An introduction to world prehistory (4th ed.). Little, Brown.
Chicago Style (17. basım) AtıfFagan, Brian M. People of the Earth: An Introduction to World Prehistory. 4th ed. Boston: Little, Brown, 1983.
MLA (9th ed.) AtıfFagan, Brian M. People of the Earth: An Introduction to World Prehistory. 4th ed. Little, Brown, 1983.
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