@book{21628,
	author = {Vargas Martínez, Ubaldo},
	title = {Morelos  },
	publisher = {Porrúa, },
	year = {2000},
	series = {" Sepan cuantos ..........."},
	address = {México  },
	edition = {7a ed.},
	note = {Incluye índice y mapas}
}