Rachels, S., & Rachels, J. (2019). The elements of moral philosophy (Ninth edition.). McGraw-Hill.
Chicago Style (17th ed.) CitationRachels, Stuart, and James Rachels. The Elements of Moral Philosophy. Ninth edition. New York: McGraw-Hill, 2019.
MLA引文Rachels, Stuart, and James Rachels. The Elements of Moral Philosophy. Ninth edition. McGraw-Hill, 2019.
警告:這些引文格式不一定是100%准確.