Tohutoro APA (7th ed.)
Papentin, F. (1973). A Darwinian evolutionary system.
Tohutoru Kātū Chicago (17th ed.)
Papentin, Frank. A Darwinian Evolutionary System. 1973.
Tohutoro MLA (9th ed.)
Papentin, Frank. A Darwinian Evolutionary System. 1973.
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