Kant, I. (2005). The Moral Law: Groundwork of the Metaphysic of Morals. Routledge classics.
芝加哥风格引文Kant, Immanuel. The Moral Law: Groundwork of the Metaphysic of Morals. London: Routledge classics, 2005.
MLA引文Kant, Immanuel. The Moral Law: Groundwork of the Metaphysic of Morals. Routledge classics, 2005.
警告：这些引文格式不一定是100％准确.