@book{6453,
	author = {Castiglia, Miguel and Martínez, Daniel, coaut},
	title = {Sector informal urbano su contribución al producto},
	publisher = {FLACSO,},
	year = {1994},
	series = {Cuaderno de ciencias Sociales, no. 73},
	address = {San José, Costa Rica:},
	edition = {1ed}
}