Porter, R. (1997). The greatest benefit to mankind: A medical history of humanity. New York: W. W. Norton.
Čikaški stil citiranjaPorter, Roy. The Greatest Benefit to Mankind: A Medical History of Humanity. New York: W. W. Norton, 1997.
MLA način citiranjaPorter, Roy. The Greatest Benefit to Mankind: A Medical History of Humanity. New York: W. W. Norton, 1997.
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