Williams, B. (1985). Ethics and the limits of philosophy. Harvard Univ. Press.
芝加哥风格引文Williams, Bernard. Ethics and the Limits of Philosophy. Cambridge, Mass: Harvard Univ. Press, 1985.
MLA引文Williams, Bernard. Ethics and the Limits of Philosophy. Harvard Univ. Press, 1985.
警告：这些引文格式不一定是100％准确.