APA
"United Nations I. N. C. B., "United Nations I. N. C. B. & "United Nations I. N. C. B. (1980). Statistics on psychotropic substances. New: York UN.
Chicago
"United Nations International Narcotics Control Board", "United Nations International Narcotics Control Board" and "United Nations International Narcotics Control Board". 1980. Statistics on psychotropic substances. New: York UN.
Harvard
"United Nations I. N. C. B., "United Nations I. N. C. B. and "United Nations I. N. C. B. (1980). Statistics on psychotropic substances. New: York UN.
MLA
"United Nations International Narcotics Control Board", "United Nations International Narcotics Control Board" and "United Nations International Narcotics Control Board". Statistics on psychotropic substances. New: York UN. 1980.
