Kemp, M. C. (1969). Pure theory international trade and investment. Prentice-Hall.
Dyfyniad Arddull ChicagoKemp, Murray C. Pure Theory International Trade and Investment. N. J.: Prentice-Hall, 1969.
Dyfyniad MLAKemp, Murray C. Pure Theory International Trade and Investment. Prentice-Hall, 1969.
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