@book{119142,
	author = {Berman, Morris and Bilbeny, Norbert, },
	title = {Edad oscura americana :},
	publisher = {Sexto Piso,},
	year = {D.L. 2008.},
	series = { Sexto Piso},
	address = {Madrid :},
	note = {Título original : Dark ages America : the final phase of empire.}
}