@book{1818,
	author = {Iafrancesco Villegas, Giovanni Marcello},
	title = {Cambios en la educación :},
	publisher = {Cooperativa Editorial Magisterio,},
	year = {2003.},
	series = {Escuela Transformadora},
	address = {Bogotá :},
	edition = {1a ed.}
}