Cita APA (7a ed.)

Grossman, G. M. (1999). Imperfect labor contracts and international trade. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Grossman, Gene M. Imperfect Labor Contracts and International Trade. Cambridge, MA: National Bureau of Economic Research, 1999.

Cita MLA (9a ed.)

Grossman, Gene M. Imperfect Labor Contracts and International Trade. National Bureau of Economic Research, 1999.