APA-viite (7. p.)

Gert, B. (2005). Morality: Its nature and justification (Rev. ed.). Oxford University Press.

Chicago-viite (17. p.)

Gert, Bernard. Morality: Its Nature and Justification. Rev. ed. Oxford ; New York: Oxford University Press, 2005.

MLA-viite (9. p.)

Gert, Bernard. Morality: Its Nature and Justification. Rev. ed. Oxford University Press, 2005.