APA-viite (7. p.)
Evans-Brown, M., & et al. (2020). EMCDDA operating guidelines for the European Union Early Warning System on new psychoactive substances. European Monitoring Centre for Drugs and Drug Addiction.
Chicago-viite (17. p.)
Evans-Brown, M., ja et al. EMCDDA Operating Guidelines for the European Union Early Warning System on New Psychoactive Substances. Lisboa: European Monitoring Centre for Drugs and Drug Addiction, 2020.
MLA-viite (9. p.)
Evans-Brown, M., ja et al. EMCDDA Operating Guidelines for the European Union Early Warning System on New Psychoactive Substances. European Monitoring Centre for Drugs and Drug Addiction, 2020.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.