Dyfyniad APA

Williams, B. A. O. (1993). Morality: An introduction to ethics (Canto ed.). Cambridge University Press.

Dyfyniad Arddull Chicago

Williams, Bernard Arthur Owen. Morality: An Introduction to Ethics. Canto ed. Cambridge ; New York: Cambridge University Press, 1993.

Dyfyniad MLA

Williams, Bernard Arthur Owen. Morality: An Introduction to Ethics. Canto ed. Cambridge University Press, 1993.

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