Pomfret, R. (1992). Internatinal trade policy with imperfect competition. International Finance Section, Princeton University.
Lua i Stíl Chicago (17ú heag.)Pomfret, Richard. Internatinal Trade Policy with Imperfect Competition. Princeton, N.J: International Finance Section, Princeton University, 1992.
Lua MLA (9ú heag.)Pomfret, Richard. Internatinal Trade Policy with Imperfect Competition. International Finance Section, Princeton University, 1992.
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