@book{9846,
	author = {Villiers, John},
	title = {Historia universal siglo XXI :},
	publisher = {Siglo Veintiuno, },
	year = {1985},
	series = {( Historia Universal Siglo XXI; Volumen 18 )},
	address = {Quito :},
	edition = {Quinta edición},
	note = {Incluye índice.}
}