@book{1272,
	author = {Horton, Claudia Valeria [et.al] and Morichetti, María},
	title = {Historia : },
	publisher = {Santillana, },
	year = {2012},
	series = {Perspectivas.},
	address = {Buenos Aires : },
	edition = {1a.ed},
	note = {Manual de Historia para Educación Secundaria. }
}