Engels, F. (1949). The Part played by labour in the transition from ape to man.
Chicago Edition CitationEngels, Friedrich. The Part Played by Labour in the Transition from Ape to Man. Moscow, 1949.
MLA Edition CitationEngels, Friedrich. The Part Played by Labour in the Transition from Ape to Man. 1949.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.