APA

European Monitoring Centre for Drugs and Drug Addiction, . (1997). Estimating the prevalence of problem drug use in Europe. Luxembourg: Office for Official Publications of the European Communities.

Chicago

European Monitoring Centre for Drugs and Drug Addiction, . 1997. Estimating the prevalence of problem drug use in Europe. Luxembourg: Office for Official Publications of the European Communities.

Harvard

European Monitoring Centre for Drugs and Drug Addiction, . (1997). Estimating the prevalence of problem drug use in Europe. Luxembourg: Office for Official Publications of the European Communities.

MLA

European Monitoring Centre for Drugs and Drug Addiction, . Estimating the prevalence of problem drug use in Europe. Luxembourg: Office for Official Publications of the European Communities. 1997.