@book{135420,
	author = {Novelo, Federico},
	title = {La política económica y social de la alternancia},
	publisher = {Universidad Autónoma Metropolitana, Unidad Xochimilco :},
	year = {2002},
	series = {Las Ciencias Sociales. },
	address = {México :},
	edition = {1a ed.}
}