Caulkins, J. P. (1997). Estimating the Elasticities of Demand for Cocaine and Heroin with Data from 21 Cities from the Drug Use Forecasting (DUF) Program, 1987-1991. [Verlag nicht ermittelbar]. https://doi.org/10.3886/ICPSR06567.v1
Cita Chicago Style (17a ed.)Caulkins, Jonathan P. Estimating the Elasticities of Demand for Cocaine and Heroin with Data from 21 Cities from the Drug Use Forecasting (DUF) Program, 1987-1991. [Erscheinungsort nicht ermittelbar]: [Verlag nicht ermittelbar], 1997. https://doi.org/10.3886/ICPSR06567.v1.
Cita MLA (9a ed.)Caulkins, Jonathan P. Estimating the Elasticities of Demand for Cocaine and Heroin with Data from 21 Cities from the Drug Use Forecasting (DUF) Program, 1987-1991. [Verlag nicht ermittelbar], 1997. https://doi.org/10.3886/ICPSR06567.v1.