Racheles, J. (1999). The elements of moral philosophy. Burr Ridge.
Cita Chicago (17th ed.)Racheles, James. The Elements of Moral Philosophy. Boston: Burr Ridge, 1999.
Cita MLA (9th ed.)Racheles, James. The Elements of Moral Philosophy. Burr Ridge, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.