Cita APA (7a ed.)

Grossman, G. M., & Helpman, E. (2002). Outsourcing in a global economy. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Grossman, Gene M., y Elhanan Helpman. Outsourcing in a Global Economy. Cambridge, MA: National Bureau of Economic Research, 2002.

Cita MLA (9a ed.)

Grossman, Gene M., y Elhanan Helpman. Outsourcing in a Global Economy. National Bureau of Economic Research, 2002.