@book{89790,
	author = {Pederzini Villareal, Carla. and Martínez Péllegrini, Sárah Eva.},
	title = {Contribución del sector de la microempresa a la economía mexicana},
	publisher = {Universidad Iberoamericana,},
	year = {(200?).},
	address = {México, D. F. :}
}