Παραπομπή σε μορφή APA (7η εκδ.)

Jones, R. W. (1977). "Two-ness" in trade theory: Costs and benefits. International Finance Section, Department of Economics, Princeton University.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Jones, Ronald Winthrop. "Two-ness" in Trade Theory: Costs and Benefits. [Princeton, New Jersey]: International Finance Section, Department of Economics, Princeton University, 1977.

Παραπομπή σε μορφή MLA (9th εκδ.)

Jones, Ronald Winthrop. "Two-ness" in Trade Theory: Costs and Benefits. International Finance Section, Department of Economics, Princeton University, 1977.