@book{384289,
	author = {EUROPEAN MONITORING CENTRE FOR DRUGS AND DRUG ADDICTION},
	title = {An overview of cannabis potency in Europe},
	publisher = {Office for Official Publications of the European Communities},
	year = {2004},
	series = {EMCDDA Insights},
	address = {Luxembourg},
	note = {Também disponível em formato pdf através de: https://www.emcdda.europa.eu/?nnodeid=429}
}