Cita APA (7a ed.)

Bernard, A. B., & Wagner, J. (1998). Export entry and exit by German firms. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Bernard, Andrew B., y Joachim Wagner. Export Entry and Exit by German Firms. Cambridge, MA: National Bureau of Economic Research, 1998.

Cita MLA (9a ed.)

Bernard, Andrew B., y Joachim Wagner. Export Entry and Exit by German Firms. National Bureau of Economic Research, 1998.