Cita APA (7a ed.)

Levinsohn, J. A., & Petrin, A. (1999). When industries become more productive, do firms?: Investigating productivity dynamics. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Levinsohn, James Alan, y Amil Petrin. When Industries Become More Productive, Do Firms?: Investigating Productivity Dynamics. Cambridge, MA: National Bureau of Economic Research, 1999.

Cita MLA (9a ed.)

Levinsohn, James Alan, y Amil Petrin. When Industries Become More Productive, Do Firms?: Investigating Productivity Dynamics. National Bureau of Economic Research, 1999.