APA (7th ed.) Zitazioa
Paley, W. (2002). The principles of moral and political philosophy. Liberty Fund.
Chicago Style (17th ed.) Zitazioa
Paley, William. The Principles of Moral and Political Philosophy. Indianapolis, Ind.: Liberty Fund, 2002.
MLA (9th ed.) Zitazioa
Paley, William. The Principles of Moral and Political Philosophy. Liberty Fund, 2002.
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