Helpman, E. (1978). A Theory of International Trade Under Uncertainty. ELSEVIER.
Cita Chicago (17th ed.)Helpman, Elhanan. A Theory of International Trade Under Uncertainty. ELSEVIER, 1978.
Cita MLA (8th ed.)Helpman, Elhanan. A Theory of International Trade Under Uncertainty. ELSEVIER, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.