@book{68523,
	author = {Buckman, Peter.},
	title = {Educación sin escuelas /},
	publisher = {Ediciones Península,},
	year = {1977.},
	series = {Ediciones de Bolsillo,},
	address = {Barcelona,},
	edition = {2a ed.},
	note = {Titulo de la edición original: Education without schools.}
}