APA ציטוט

Ricardo, D. (1971). The principles of political economy, and taxation. New York: Penguin Book.

Trích dẫn kiểu Chicago

Ricardo, David. The Principles of Political Economy, and Taxation. New York: Penguin Book, 1971.

ציטוט MLA

Ricardo, David. The Principles of Political Economy, and Taxation. New York: Penguin Book, 1971.