APA (7th ed.) Zitazioa
Banner, A. W. (1968). Ethics: An introduction to moral philosophy. Scribner.
Chicago Style (17th ed.) Zitazioa
Banner, A. William. Ethics: An Introduction to Moral Philosophy. New York: Scribner, 1968.
MLA (9th ed.) Zitazioa
Banner, A. William. Ethics: An Introduction to Moral Philosophy. Scribner, 1968.
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