Rachels, J. (2003). The elements of moral philosophy (4th ed.). McGraw - Hill.
Chicago Style (17th ed.) CitationRachels, James. The Elements of Moral Philosophy. 4th ed. Boston: McGraw - Hill, 2003.
MLA引文Rachels, James. The Elements of Moral Philosophy. 4th ed. McGraw - Hill, 2003.
警告:這些引文格式不一定是100%准確.