APA (7th ed.) Zitazioa
United Nations Office on Drugs and Crime. (2015). World drug report 2015 / Informe mundial sobre las drogas 2015. Resumen ejecutivo. United Nations Office on Drugs and Crime.
Chicago Style (17th ed.) Zitazioa
United Nations Office on Drugs and Crime. World Drug Report 2015 / Informe Mundial Sobre Las Drogas 2015. Resumen Ejecutivo. Ginebra: United Nations Office on Drugs and Crime, 2015.
MLA (9th ed.) Zitazioa
United Nations Office on Drugs and Crime. World Drug Report 2015 / Informe Mundial Sobre Las Drogas 2015. Resumen Ejecutivo. United Nations Office on Drugs and Crime, 2015.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.