@book{9927,
	author = {Le Goff, Jacques},
	title = {Historia universal siglo XXI :},
	publisher = {Siglo Veintiuno, },
	year = {1989},
	series = {( Historia Universal Siglo XXI ; Volumen 11 )},
	address = {Madrid, España :},
	edition = {Decimaoctava edición},
	note = {incluye índice.}
}