APA-referens (7:e uppl.)

Williams, B. A. O. (1993). Morality: An introduction to ethics (Canto ed.). Cambridge University Press.

Chicago-referens (17:e uppl.)

Williams, Bernard Arthur Owen. Morality: An Introduction to Ethics. Canto ed. Cambridge ; New York: Cambridge University Press, 1993.

MLA-referens (8:e uppl.)

Williams, Bernard Arthur Owen. Morality: An Introduction to Ethics. Canto ed. Cambridge University Press, 1993.