@book{23798,
	author = {Waldrup, Earl },
	title = {Using visual aids in a church},
	publisher = {Convention Press, },
	year = {c1949, 1957},
	address = {Nashville : },
	edition = {1 ed.},
	note = {Usando materiales visuales en la iglesia.Ej. 2 (11986) retirado definitivamente de biblioteca 8/77}
}