APA (7e ed.) Bronvermelding
Rachels, J. (1993). The elements of moral philosophy (2nd ed.). McGraw-hill.
Chicago (17e ed.) Bronvermelding
Rachels, James. The Elements of Moral Philosophy. 2nd ed. New York: McGraw-hill, 1993.
MLA (9e ed.) Bronvermelding
Rachels, James. The Elements of Moral Philosophy. 2nd ed. McGraw-hill, 1993.
Let op: Deze citaties zijn niet altijd 100% accuraat.