Sullivan, R. J. (1994). An introduction to Kant's ethics. Cambridge University Press.
芝加哥风格引文Sullivan, Roger J. An Introduction to Kant's Ethics. Cambridge ; New York: Cambridge University Press, 1994.
MLA引文Sullivan, Roger J. An Introduction to Kant's Ethics. Cambridge University Press, 1994.
警告：这些引文格式不一定是100％准确.