@book{71720,
	author = {Gesell, Arnold. and Amatruda, C.},
	title = {Diagnóstico del desarrollo normal y anormal del niño / },
	editor = {Ferrari Hnos.)},
	publisher = {Paidós, },
	year = {[1946] (},
	series = {Biblioteca psicotecnia ; },
	address = {Buenos Aires : }
}