Marx & Engels. (1979). Pre-capitalist socio-economic formations: A collection. Progress Publishers.
Čikaški stil citiranjaMarx i Engels. Pre-capitalist Socio-economic Formations: A Collection. Moscow: Progress Publishers, 1979.
MLA način citiranjaMarx i Engels. Pre-capitalist Socio-economic Formations: A Collection. Progress Publishers, 1979.
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