Gert, B. (2005). Morality: Its nature and justification (Rev. ed.). Oxford University Press.
Dyfyniad Arddull ChicagoGert, Bernard. Morality: Its Nature and Justification. Rev. ed. Oxford ; New York: Oxford University Press, 2005.
Dyfyniad MLAGert, Bernard. Morality: Its Nature and Justification. Rev. ed. Oxford University Press, 2005.
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