Παραπομπή APA

Diamond, J. (1997). Guns, germs, and steel: The fates of human societies. New York: W. W. Norton & Company.

Παραπομπή Chicago Style

Diamond, Jared. Guns, Germs, and Steel: The Fates of Human Societies. New York: W. W. Norton & Company, 1997.

Παραπομπή MLA

Diamond, Jared. Guns, Germs, and Steel: The Fates of Human Societies. New York: W. W. Norton & Company, 1997.

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