APA (7th ed.) Zitazioa

Racheles, J. (1999). The elements of moral philosophy. Burr Ridge.

Chicago Style (17th ed.) Zitazioa

Racheles, James. The Elements of Moral Philosophy. Boston: Burr Ridge, 1999.

MLA (9th ed.) Zitazioa

Racheles, James. The Elements of Moral Philosophy. Burr Ridge, 1999.