@book{76911,
	author = {Gurley, John G. and Ruiz, Gumersindo.},
	title = {Desafíos al capitalismo },
	publisher = {Ariel, },
	year = {[1979]},
	series = {Ariel quincenal},
	address = {Barcelona : },
	edition = {[1ª ed.].}
}