Jones, R. W. (1977). "Two-ness" in trade theory: Costs and benefits. International Finance Section, Department of Economics, Princeton University.
Citace podle Chicago (17th ed.)Jones, Ronald Winthrop. "Two-ness" in Trade Theory: Costs and Benefits. [Princeton, New Jersey]: International Finance Section, Department of Economics, Princeton University, 1977.
Citace podle MLA (9th ed.)Jones, Ronald Winthrop. "Two-ness" in Trade Theory: Costs and Benefits. International Finance Section, Department of Economics, Princeton University, 1977.
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