@book{68049,
	author = {Tyack, David B. and Cuban, Larry.},
	title = {En busca de la utopia :},
	publisher = {Fondo de Cultura Económica,},
	year = {2001.},
	address = {México, D. F. :},
	edition = {2a ed.},
	note = {Título original: Tinkering toward utopia : a century of public school reform.}
}