Meade, J. E. (1952). A geometry of international trade. George Allen and Unwin.
Dyfyniad Arddull ChicagoMeade, James Edward. A Geometry of International Trade. London: George Allen and Unwin, 1952.
Dyfyniad MLAMeade, James Edward. A Geometry of International Trade. George Allen and Unwin, 1952.
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