APA aipamena

Porter, R. (1997). The greatest benefit to mankind: A medical history of humanity. New York: W. W. Norton.

Chicago Style aipamena

Porter, Roy. The Greatest Benefit to Mankind: A Medical History of Humanity. New York: W. W. Norton, 1997.

MLA aipamena

Porter, Roy. The Greatest Benefit to Mankind: A Medical History of Humanity. New York: W. W. Norton, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.