@book{4510,
	author = {Piaget, Jean  and Inhelder, Bärbel },
	title = {Psicología del niño / },
	publisher = {Morata, },
	year = {1981},
	address = {Madrid : },
	edition = {10 ed.},
	note = {Psicología evolutiva elaborada por J. Piaget.  Bibliografía: p. 161-72}
}