Παραπομπή APA

Ruhm, C. J., & National Bureau of Economic Research. (2001). Economic expansions are unhealthy: Evidence from microdata. Cambridge: National Bureau of Economic Research.

Παραπομπή Chicago Style

Ruhm, Christopher J., and National Bureau of Economic Research. Economic Expansions Are Unhealthy: Evidence From Microdata. Cambridge: National Bureau of Economic Research, 2001.

Παραπομπή MLA

Ruhm, Christopher J., and National Bureau of Economic Research. Economic Expansions Are Unhealthy: Evidence From Microdata. Cambridge: National Bureau of Economic Research, 2001.

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