Rachels, J. (1993). The elements of moral philosophy (2nd ed.). McGraw-hill.
Chicagoスタイル(17版)引用形式Rachels, James. The Elements of Moral Philosophy. 2nd ed. New York: McGraw-hill, 1993.
MLA(9版)引用形式Rachels, James. The Elements of Moral Philosophy. 2nd ed. McGraw-hill, 1993.
警告: この引用は必ずしも正確ではありません.