APA Citation

Rachels, S., & Rachels, J. (2003). The elements of moral philosophy. New York: McGraw Hill Higher Education.

Trích dẫn kiểu Chicago

Rachels, Stuart, và James Rachels. The Elements of Moral Philosophy. New York: McGraw Hill Higher Education, 2003.

MLA Citation

Rachels, Stuart, và James Rachels. The Elements of Moral Philosophy. New York: McGraw Hill Higher Education, 2003.

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