APA-referens

Ricardo, D. (1971). On the Principles of Political Economy and Taxation. Penguin.

Chicago-stil citat

Ricardo, David. On the Principles of Political Economy and Taxation. England: Penguin, 1971.

MLA-referens

Ricardo, David. On the Principles of Political Economy and Taxation. Penguin, 1971.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.