Dyfyniad APA

Engels, F. (1949). The Part played by labour in the transition from ape to man.

Dyfyniad Arddull Chicago

Engels, Friedrich. The Part Played by Labour in the Transition from Ape to Man. Moscow, 1949.

Dyfyniad MLA

Engels, Friedrich. The Part Played by Labour in the Transition from Ape to Man. 1949.

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