APA-viite (7. p.)
Division for Policy Analysis and Public Affairs. (2019). World Drug Report 2019. United Nations Office on Drugs and Crime.
Chicago-viite (17. p.)
Division for Policy Analysis and Public Affairs. World Drug Report 2019. Ginebra: United Nations Office on Drugs and Crime, 2019.
MLA-viite (9. p.)
Division for Policy Analysis and Public Affairs. World Drug Report 2019. United Nations Office on Drugs and Crime, 2019.
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