Παραπομπή σε μορφή APA (7η εκδ.)

European Monitoring Centre for Drugs and Drug Addiction, King, L. A., & Sedefov, R. (2007). Early - warning system on new psychoactive substances: Operating guidelines. Office for Official Publications of the European Communities.

Παραπομπή σε μορφή Chicago (17η εκδ.)

European Monitoring Centre for Drugs and Drug Addiction, Leslie A. King, και Roumen Sedefov. Early - Warning System on New Psychoactive Substances: Operating Guidelines. Luxembourg: Office for Official Publications of the European Communities, 2007.

Παραπομπή σε μορφή MLA (8th εκδ.)

European Monitoring Centre for Drugs and Drug Addiction, et al. Early - Warning System on New Psychoactive Substances: Operating Guidelines. Office for Official Publications of the European Communities, 2007.