APA aipamena

Rich, R., & Tracy, J. (2000). Uncertainty and labor contract durations. National Bureau of Economic Research.

Chicago Style aipamena

Rich, Robert, and Joseph Tracy. Uncertainty and Labor Contract Durations. Cambridge: National Bureau of Economic Research, 2000.

MLA aipamena

Rich, Robert, and Joseph Tracy. Uncertainty and Labor Contract Durations. National Bureau of Economic Research, 2000.