APA-referens (7:e uppl.)

Sullivan, R. J. (1994). An introduction to Kant's ethics. Cambridge University Press.

Chicago-referens (17:e uppl.)

Sullivan, Roger J. An Introduction to Kant's Ethics. Cambridge ; New York: Cambridge University Press, 1994.

MLA-referens (8:e uppl.)

Sullivan, Roger J. An Introduction to Kant's Ethics. Cambridge University Press, 1994.