Dyfyniad APA

Helleiner, G. K. (1972). International trade and economic development. Baltimore: Pengiun Books.

Dyfyniad Arddull Chicago

Helleiner, G. K. International Trade and Economic Development. Baltimore: Pengiun Books, 1972.

Dyfyniad MLA

Helleiner, G. K. International Trade and Economic Development. Baltimore: Pengiun Books, 1972.

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