International Narcotics Control Board. (2008). Narcotic drugs: Estimated world requirements for 2008, statistics for 2006. United Nations.
Chicago-Zitierstil (17. Ausg.)International Narcotics Control Board. Narcotic Drugs: Estimated World Requirements for 2008, Statistics for 2006. New York: United Nations, 2008.
MLA-Zitierstil (9. Ausg.)International Narcotics Control Board. Narcotic Drugs: Estimated World Requirements for 2008, Statistics for 2006. United Nations, 2008.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.