Dyfyniad APA
European Monitoring Centre for Drugs and Drug Addiction. (2020). EMCDDA operating guidelines for the risk assessment of new psychoactive substances. Publications Office of the European Union.
Dyfyniad Arddull Chicago
European Monitoring Centre for Drugs and Drug Addiction. EMCDDA Operating Guidelines for the Risk Assessment of New Psychoactive Substances. Luxemburgo: Publications Office of the European Union, 2020.
Dyfyniad MLA
European Monitoring Centre for Drugs and Drug Addiction. EMCDDA Operating Guidelines for the Risk Assessment of New Psychoactive Substances. Publications Office of the European Union, 2020.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.