@book{33465,
	author = {Mujina, Valeria},
	title = {Psicología de la edad preescolar :},
	publisher = {Pablo del Río,},
	year = {1978.},
	series = {Aprendizaje preescolar},
	address = {Madrid :},
	edition = {1a ed.},
	note = {Vocabulario p. 217-220.}
}