@book{1487,
	author = {Single, Eric and Collins, David},
	title = {International guidelines for estimating the costs of substance abuse},
	publisher = {Organizacion Mundial de la Salud},
	year = {2003},
	address = {Ginebra},
	edition = {2° ed.},
	note = {Baja Depósito Caja 33 Junio 2019}
}