Mill, J. S. (2001). The Principles of political economy. Batoche.
芝加哥风格引文Mill, John Stuart. The Principles of Political Economy. Kitchener, Ont.: Batoche, 2001.
MLA引文Mill, John Stuart. The Principles of Political Economy. Batoche, 2001.
警告：这些引文格式不一定是100％准确.