European Conference on the Evaluation of Drug Prevention, Comisión de las Comunidades Europeas, Observatorio Europeo de las Drogas y las Toxicomanías, & Nilson, M. (2000). Evaluation: A key tool for improving drug prevention : papers from the second European conference on the evaluation of drug prevention ... held in Strasbourg, France, from 2 to 4 December 1999. Office for Official Publications of the European Communities.
Cita Chicago Style (17a ed.)European Conference on the Evaluation of Drug Prevention, Comisión de las Comunidades Europeas, Observatorio Europeo de las Drogas y las Toxicomanías, y Margareta Nilson. Evaluation: A Key Tool for Improving Drug Prevention : Papers from the Second European Conference on the Evaluation of Drug Prevention ... Held in Strasbourg, France, from 2 to 4 December 1999. Luxembourg: Office for Official Publications of the European Communities, 2000.
Cita MLA (9a ed.)European Conference on the Evaluation of Drug Prevention, et al. Evaluation: A Key Tool for Improving Drug Prevention : Papers from the Second European Conference on the Evaluation of Drug Prevention ... Held in Strasbourg, France, from 2 to 4 December 1999. Office for Official Publications of the European Communities, 2000.