@book{21504,
	author = {International Bureau of Education.},
	title = {La préparation a l'éducation familiale.},
	publisher = {Bureau international d'éducation,},
	year = {1931.},
	series = {Publications du Bureau international d'éducation,},
	address = {Genève,},
	note = {At head of title: Bureau international d'éducation.}
}