@book{2338,
	author = {Silverman, Robert E. and Medrano C., Salvador},
	title = {Cómo emplear la enseñanza programada en el aula},
	publisher = {Pax},
	year = {1972},
	address = {México, D.F.},
	edition = {1ª ed.},
	note = {Contiene apéndice}
}