Friedrich Paulsen & Frank Thilly. (1990). A history of conceptions of life and moral philosophy: A system of ethics. Oriental.
Chicago Edition CitationFriedrich Paulsen and Frank Thilly. A History of Conceptions of Life and Moral Philosophy: A System of Ethics. New Delhi: Oriental, 1990.
MLA引文Friedrich Paulsen and Frank Thilly. A History of Conceptions of Life and Moral Philosophy: A System of Ethics. Oriental, 1990.
警告：这些引文格式不一定是100％准确.