Johns, T. (1996). The origins of human diet and medicine: Chemical ecology. University of Arizona Press.
Chicago-viite (17. p.)Johns, Timothy. The Origins of Human Diet and Medicine: Chemical Ecology. Tucson, AZ: University of Arizona Press, 1996.
MLA-viite (9. p.)Johns, Timothy. The Origins of Human Diet and Medicine: Chemical Ecology. University of Arizona Press, 1996.
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