Ricardo, D. (1911). The principles of political economy and taxation. Everyman's Library.
Citazione stile Chigago Style (17a edizione)Ricardo, David. The Principles of Political Economy and Taxation. Londres: Everyman's Library, 1911.
Citatione MLA (9a ed.)Ricardo, David. The Principles of Political Economy and Taxation. Everyman's Library, 1911.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.