Cita APA (7a ed.)

Acemoglu, D., & Zilibotti, F. (1999). Productivity differences. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Acemoglu, Daron, y Fabrizio Zilibotti. Productivity Differences. Cambridge, MA: National Bureau of Economic Research, 1999.

Cita MLA (9a ed.)

Acemoglu, Daron, y Fabrizio Zilibotti. Productivity Differences. National Bureau of Economic Research, 1999.