Viner, J. (1950). The customs union issue. Carnegie Endowment for International Peace.
Chicago-čujuhus (17. p.)Viner, Jacob. The Customs Union Issue. Nueva York: Carnegie Endowment for International Peace, 1950.
MLA-čujuhus (9. p.)Viner, Jacob. The Customs Union Issue. Carnegie Endowment for International Peace, 1950.
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