Cita APA (7a ed.)

Bernard, A. B., & Jensen, J. B. (2001). Why some firms export. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Bernard, Andrew B., y J. Bradford Jensen. Why Some Firms Export. Cambridge, MA: National Bureau of Economic Research, 2001.

Cita MLA (9a ed.)

Bernard, Andrew B., y J. Bradford Jensen. Why Some Firms Export. National Bureau of Economic Research, 2001.