Johnson, H. G. (1971). Trade strategy for rich and poor nations. George allen & Unwin.
Dyfyniad Arddull ChicagoJohnson, Harry G. Trade Strategy for Rich and Poor Nations. London: George allen & Unwin, 1971.
Dyfyniad MLAJohnson, Harry G. Trade Strategy for Rich and Poor Nations. George allen & Unwin, 1971.
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