Balassa, B. (1970). Changing Patterns in foreign trade and payments. W. W. Norton.
Cita Chicago Style (17a ed.)Balassa, Bela. Changing Patterns in Foreign Trade and Payments. NewYork: W. W. Norton, 1970.
Cita MLA (9a ed.)Balassa, Bela. Changing Patterns in Foreign Trade and Payments. W. W. Norton, 1970.
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