Style de citation APA

Helpman,Elhanan. (1978). A theory of international trade under uncertainty. Academic Press.

Style de citation Chicago

Helpman,Elhanan. A Theory of International Trade Under Uncertainty. New York: Academic Press, 1978.

Style de citation MLA

Helpman,Elhanan. A Theory of International Trade Under Uncertainty. Academic Press, 1978.

Attention : ces citations peuvent ne pas être correctes à 100%.