Saffer, H., & Chaloupka, F. J. (1998). Demographic differentials in the demand for alcohol and illicit drugs. National Bureau of Economic Research.
Chicago-Zitierstil (17. Ausg.)Saffer, Henry, und Frank J. Chaloupka. Demographic Differentials in the Demand for Alcohol and Illicit Drugs. Cambridge, Mass: National Bureau of Economic Research, 1998.
MLA-Zitierstil (9. Ausg.)Saffer, Henry, und Frank J. Chaloupka. Demographic Differentials in the Demand for Alcohol and Illicit Drugs. National Bureau of Economic Research, 1998.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.