Dyfyniad APA
ebrary, Inc, Trevathan, W., Smith, E. O., & McKenna, J. J. (1999). Evolutionary medicine. Oxford University Press.
Dyfyniad Arddull Chicago
ebrary, Inc, Wenda Trevathan, Euclid O. Smith, and James J. McKenna. Evolutionary Medicine. New York: Oxford University Press, 1999.
Dyfyniad MLA
ebrary, Inc, et al. Evolutionary Medicine. Oxford University Press, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.