APA
Bless R., Co-operation Group to Combat Drug Abuse and Illicit Trafficking in Drugs [Pompidou Group] & Schreuders M. (1994). Multi-city study : Amsterdam : update 1992-1994. Strasbourg: Council of Europe.
Chicago
Bless Ruud, Co-operation Group to Combat Drug Abuse and Illicit Trafficking in Drugs [Pompidou Group] and Schreuders Madelon. 1994. Multi-city study : Amsterdam : update 1992-1994. Strasbourg: Council of Europe.
Harvard
Bless R., Co-operation Group to Combat Drug Abuse and Illicit Trafficking in Drugs [Pompidou Group] and Schreuders M. (1994). Multi-city study : Amsterdam : update 1992-1994. Strasbourg: Council of Europe.
MLA
Bless Ruud, Co-operation Group to Combat Drug Abuse and Illicit Trafficking in Drugs [Pompidou Group] and Schreuders Madelon. Multi-city study : Amsterdam : update 1992-1994. Strasbourg: Council of Europe. 1994.
BOEKEN/BROCHURES