Cahn, S. M., & Markie, P. J. (2002). Ethics: History, theory, and contemporary issues. New York: Oxford University Press.
Dyfyniad Arddull ChicagoCahn, Steven M., và Peter J. Markie. Ethics: History, Theory, and Contemporary Issues. New York: Oxford University Press, 2002.
Dyfyniad MLACahn, Steven M., và Peter J. Markie. Ethics: History, Theory, and Contemporary Issues. New York: Oxford University Press, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.