Norman, R. (1983). The moral philosophers: An introduction to ethics. Clarendon.
Chicago Style (17. basım) AtıfNorman, Richard. The Moral Philosophers: An Introduction to Ethics. oxford: Clarendon, 1983.
MLA (9th ed.) AtıfNorman, Richard. The Moral Philosophers: An Introduction to Ethics. Clarendon, 1983.
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