Rachels, J. (1999). The elements of moral philosophy (3rd ed.). McGraw-Hill College.
Chicagoスタイル(17版)引用形式Rachels, James. The Elements of Moral Philosophy. 3rd ed. Boston: McGraw-Hill College, 1999.
MLA(8版)引用形式Rachels, James. The Elements of Moral Philosophy. 3rd ed. McGraw-Hill College, 1999.
警告: この引用は必ずしも正確ではありません.