Warnock, G. J. (1967). Contemporary moral philosophy. Macmillan; St. Martin's P..
芝加哥风格引文Warnock, G. J. Contemporary Moral Philosophy. London, Melbourne [etc.] New York: Macmillan; St. Martin's P., 1967.
MLA引文Warnock, G. J. Contemporary Moral Philosophy. Macmillan; St. Martin's P., 1967.
警告：这些引文格式不一定是100％准确.