APA-referens (7:e uppl.)
United Nations. Office for Drug Control and Crime Prevention. (2001). Global illicit drug trends.
Chicago-referens (17:e uppl.)
United Nations. Office for Drug Control and Crime Prevention. Global Illicit Drug Trends. New York, 2001.
MLA-referens (9:e uppl.)
United Nations. Office for Drug Control and Crime Prevention. Global Illicit Drug Trends. 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.