Rachels, J. (2003). The elements of moral philosophy (4th ed.). McGraw - Hill.
Chicagoスタイル(17版)引用形式Rachels, James. The Elements of Moral Philosophy. 4th ed. Boston: McGraw - Hill, 2003.
MLA(9版)引用形式Rachels, James. The Elements of Moral Philosophy. 4th ed. McGraw - Hill, 2003.
警告: この引用は必ずしも正確ではありません.