Grubel, H. G. (1969). The International Monetary System: Efficiency and practical alternatives. Penguin Books.
Cita Chicago Style (17a ed.)Grubel, Herbert G. The International Monetary System: Efficiency and Practical Alternatives. Harmondsworth [etc.]: Penguin Books, 1969.
Cita MLA (9a ed.)Grubel, Herbert G. The International Monetary System: Efficiency and Practical Alternatives. Penguin Books, 1969.
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