@book{124404,
	author = {Garry, Ralph},
	title = {Sistemas educacionales para maestros de enseñanza elemental. Traducción de David Alfaro Lozano.},
	publisher = {Editorial Limusa-Wiley},
	year = {1967.},
	address = {México},
	note = {Translation of : Guidance Techniques for elementary teachers.}
}