@book{4443,
	author = {Richardson, Harry W},
	title = {Elementos de economía regional.},
	publisher = {Zahar Editores, },
	year = {1973.},
	series = {Biblioteca de Ciencias Sociales.},
	address = {Río de Janeiro : },
	edition = {1ra.ed.},
	note = {Incluye bibliografía.}
}