Evans, W. N., Farelly, M. C., & Montgomery, E. (1996). Do workplace smoking bans reduce smokingn. National Bureau of Economic Research.
Citace podle Chicago (17th ed.)Evans, William N., Matthew C. Farelly, a Edward Montgomery. Do Workplace Smoking Bans Reduce Smokingn. Cambridge: National Bureau of Economic Research, 1996.
Citace podle MLA (9th ed.)Evans, William N., et al. Do Workplace Smoking Bans Reduce Smokingn. National Bureau of Economic Research, 1996.
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