Beauchamp, T. L. (1982). Philosophical ethics: An introduction to moral philosophy. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Beauchamp, Tom L. Philosophical Ethics: An Introduction to Moral Philosophy. New York: McGraw-Hill, 1982.
Lua MLA (9ú heag.)Beauchamp, Tom L. Philosophical Ethics: An Introduction to Moral Philosophy. McGraw-Hill, 1982.
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