Lawler, R. D. (1968). Philosophical analysis and ethics. Bruce Pub. Co.
芝加哥风格引文Lawler, Ronald David. Philosophical Analysis and Ethics. Milwaukee: Bruce Pub. Co, 1968.
MLA引文Lawler, Ronald David. Philosophical Analysis and Ethics. Bruce Pub. Co, 1968.
警告：这些引文格式不一定是100％准确.