@book{10512,
	author = {Tibbetts, John and Akeson, Merle},
	title = {Guía para los educadores de los países en desarrollo},
	publisher = {Paidós},
	year = {1970},
	series = {Biblioteca del educador contemporáneo. Mayor},
	address = {Buenos Aires},
	edition = {1ª ed.}
}