@book{12094,
	author = {Grunebaum, Gustave E. von},
	title = {El Islam},
	publisher = {Siglo Veintiuno},
	year = {1974},
	series = {Historia Universal siglo XXI},
	address = {México, D.F.},
	edition = {2ª ed.},
	note = {Cronología p. 412-431}
}