Style de citation APA (7e éd.)

Grossman, G. M., & Helpman, E. (2002). Interest groups and trade policy. Princeton University Press.

Style de citation Chicago (17e éd.)

Grossman, Gene M., et Elhanan Helpman. Interest Groups and Trade Policy. Princeton, N.J: Princeton University Press, 2002.

Style de citation MLA (9e éd.)

Grossman, Gene M., et Elhanan Helpman. Interest Groups and Trade Policy. Princeton University Press, 2002.