@book{12553,
	author = {National Society for the Study of Education. and Gordon, Ira J.},
	title = {Early childhood education},
	publisher = {NSSE; distributed by the University of Chicago Press},
	year = {1972.},
	series = {Yearbook of the National Society for the Study of Education, 71st, pt. 2},
	address = {[Chicago]}
}