Beale, B. (2001). Men: From stone age to clone age. Penguin.
Tohutoru Kātū Chicago (17th ed.)Beale, Bob. Men: From Stone Age to Clone Age. New Delhi: Penguin, 2001.
Tohutoro MLA (9th ed.)Beale, Bob. Men: From Stone Age to Clone Age. Penguin, 2001.
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