Jones, R. W. (1977). "Two-ness" in trade theory: Costs and benefits. International Finance Section, Department of Economics, Princeton University.
芝加哥风格引文Jones, Ronald Winthrop. "Two-ness" in Trade Theory: Costs and Benefits. [Princeton, New Jersey]: International Finance Section, Department of Economics, Princeton University, 1977.
MLA引文Jones, Ronald Winthrop. "Two-ness" in Trade Theory: Costs and Benefits. International Finance Section, Department of Economics, Princeton University, 1977.
警告：这些引文格式不一定是100％准确.