APA (7e ed.) Bronvermelding

Raphael, D. D. (1994). Moral philosophy (2nd, enl. ed.). Oxford University Press.

Chicago (17e ed.) Bronvermelding

Raphael, D. D. Moral Philosophy. 2nd, enl. ed. Oxford ; New York: Oxford University Press, 1994.

MLA (8e ed.) Bronvermelding

Raphael, D. D. Moral Philosophy. 2nd, enl. ed. Oxford University Press, 1994.