APA citiranje

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

Trích dẫn kiểu Chicago

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

MLA citiranje

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

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