Dyfyniad APA

Johnson, H. G. (1958). International trade and economic growth. George allen & Unwin.

Dyfyniad Arddull Chicago

Johnson, Harry G. International Trade and Economic Growth. London: George allen & Unwin, 1958.

Dyfyniad MLA

Johnson, Harry G. International Trade and Economic Growth. George allen & Unwin, 1958.

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