Kemp, M. (1964). The pure theory of international trade. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Kemp, Murray. The Pure Theory of International Trade. Englewood Cliffs: Prentice Hall, 1964.
Lua MLA (9ú heag.)Kemp, Murray. The Pure Theory of International Trade. Prentice Hall, 1964.
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