@book{2659,
	author = {Barringer, Herbert R. and Blanksten, George I.},
	title = {Cambios sociales en regiones en desarrollo : },
	publisher = {Roble, },
	year = {1968.},
	address = {México : },
	edition = {1ra.ed.},
	note = {Notas a pié de página. }
}