Engels, F., & Morgan, L. H. (1972). The origin of the family, private property, and the state. Pathfinder Press.
Citace podle Chicago (17th ed.)Engels, Friedrich, a Lewis Henry Morgan. The Origin of the Family, Private Property, and the State. New York: Pathfinder Press, 1972.
Citace podle MLA (9th ed.)Engels, Friedrich, a Lewis Henry Morgan. The Origin of the Family, Private Property, and the State. Pathfinder Press, 1972.
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