APA-viite (7. p.)
European Monitoring Centre for Drugs and Drug Addiction. (2015). New psychoactive substances in Europe. An update from the EU Early Warning System. Publications Office of the European Union.
Chicago-viite (17. p.)
European Monitoring Centre for Drugs and Drug Addiction. New Psychoactive Substances in Europe. An Update from the EU Early Warning System. Luxemburgo: Publications Office of the European Union, 2015.
MLA-viite (9. p.)
European Monitoring Centre for Drugs and Drug Addiction. New Psychoactive Substances in Europe. An Update from the EU Early Warning System. Publications Office of the European Union, 2015.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.