@book{390230,
	author = {EUROPEAN MONITORING CENTRE FOR DRUGS AND DRUG ADDICTION},
	title = {Guidelines for collecting data on retail drug prices in Europe},
	publisher = {Publications Office of the European Union},
	year = {2010},
	series = {EMCDDA Manuals},
	address = {Luxembourg},
	note = {Ficheiro de 1,54 Mb em formato pdf (138 p.). Também disponível em: https://www.emcdda.europa.eu/attachements.cfm/att_101278_EN_EMCDDA-Manual5_Retail%20prices.pdf.Acedido a 15 de Abril de 2011.}
}