Engels, F. (1972). The origin of the family, private property, and the state, in the light of the researches of Lewis H. Morgan. International.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEngels, Friedrich. The Origin of the Family, Private Property, and the State, in the Light of the Researches of Lewis H. Morgan. New York: International, 1972.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEngels, Friedrich. The Origin of the Family, Private Property, and the State, in the Light of the Researches of Lewis H. Morgan. International, 1972.
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