@book{20014,
	author = {Labinowicz, Ed and Pollard Frazee, Susie},
	title = {Introducción a Piaget :},
	publisher = {Addison Wesley Longman,},
	year = {[1987]},
	address = {México :},
	note = {Traducción de: The Piaget primer, thinging, learning, teaching.}
}