Ricardo, D. (1911). The principles of political economy and taxation. Dent.
芝加哥风格引文Ricardo, David. The Principles of Political Economy and Taxation. London: Dent, 1911.
MLA引文Ricardo, David. The Principles of Political Economy and Taxation. Dent, 1911.
警告：这些引文格式不一定是100％准确.