Ricardo, D. (1911). The principles of political economy and taxation. Dent.
Cita Chicago (17th ed.)Ricardo, David. The Principles of Political Economy and Taxation. London: Dent, 1911.
Cita MLA (9th ed.)Ricardo, David. The Principles of Political Economy and Taxation. Dent, 1911.
Atenció: Aquestes cites poden no estar 100% correctes.