Παραπομπή APA

Ricardo, D., & Fellner, W. (1963). The principles of political economy and taxation. Illinois: Irwin.

Παραπομπή Chicago Style

Ricardo, David, and William Fellner. The Principles of Political Economy and Taxation. Illinois: Irwin, 1963.

Παραπομπή MLA

Ricardo, David, and William Fellner. The Principles of Political Economy and Taxation. Illinois: Irwin, 1963.

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