Saffer, H., & Dave, D. (2001). Mental illness and the demand for alcohol, cocaine and cigarettes. National Bureau of Economic Research.
Chicago Style (17. basım) AtıfSaffer, Henry, ve Dhaval Dave. Mental Illness and the Demand for Alcohol, Cocaine and Cigarettes. Cambridge: National Bureau of Economic Research, 2001.
MLA (9th ed.) AtıfSaffer, Henry, ve Dhaval Dave. Mental Illness and the Demand for Alcohol, Cocaine and Cigarettes. National Bureau of Economic Research, 2001.
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