Deismireacht APA

William K Purves. (2004). Life: The science of biology (7.). Free man & company.

Chicago Edition Citation

William K Purves. Life: The Science of Biology. 7. USA: Free man & company, 2004.

Deismireacht MLA

William K Purves. Life: The Science of Biology. 7. Free man & company, 2004.

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