@book{22271,
	author = {Robertson, Ross M., and Bach, Juan R.,},
	title = {Historia de la economia norteamericana /},
	publisher = {Bibliográfica Argentina,},
	year = {1967.},
	series = {América de letras},
	address = {Argentina :},
	edition = {2a ed.},
	note = {Incluye índice}
}