USA Office of National Drug Control Policy & MacCaffrey, B. R. (1997). What America's users spend on illegal drugs, 1988 - 1995. Office of National Drug Control Policy.
Chicago-Zitierstil (17. Ausg.)USA Office of National Drug Control Policy und Barry R. MacCaffrey. What America's Users Spend on Illegal Drugs, 1988 - 1995. Washington, DC: Office of National Drug Control Policy, 1997.
MLA-Zitierstil (9. Ausg.)USA Office of National Drug Control Policy und Barry R. MacCaffrey. What America's Users Spend on Illegal Drugs, 1988 - 1995. Office of National Drug Control Policy, 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.