Dyfyniad APA
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.
Dyfyniad Arddull Chicago
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.
Dyfyniad MLA
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.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.