APA-viite (7. p.)
Williams, B. (1993). Morality: An introduction to ethics (Canto edition.). Cambridge University Press.
Chicago-viite (17. p.)
Williams, Bernard. Morality: An Introduction to Ethics. Canto edition. Cambridge ; New York: Cambridge University Press, 1993.
MLA-viite (9. p.)
Williams, Bernard. Morality: An Introduction to Ethics. Canto edition. Cambridge University Press, 1993.
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