Cita APA

Polak, J. J. (1954). An international economic system. London: George Allen & Unwin, Ltd.

Chicago Style Citation

Polak, J. J. An International Economic System. London: George Allen & Unwin, Ltd, 1954.

Cita MLA

Polak, J. J. An International Economic System. London: George Allen & Unwin, Ltd, 1954.

Atenció: Aquestes cites poden no estar 100% correctes.