@book{203789,
	author = {Heward, William L. and Orlansky, Michael D.},
	title = {Programas de educación especial},
	publisher = {Ediciones Ceac},
	year = {2006.},
	series = {Biblioteca de la educación especial II},
	address = {Barcelona, España},
	note = {Translation of: Exceptional children.}
}