@book{49421,
	author = {Carrillo Padilla, José Domingo,},
	title = {Izquierdas y sociedad :},
	publisher = {Universidad Autonoma de Aguascalientes,},
	year = {2011.},
	address = {Aguascalientes, Ags. :},
	url = {https://elibro.net/ereader/politecnicointernacional/40723}
}