@book{1863,
	author = {Centrón, Graciana. and De Haro, María Virginia.},
	title = {Prácticas del Lenguaje 4 :},
	publisher = {Longseller,},
	year = {2010.},
	series = {Libros Temáticos ;},
	address = {Buenos Aires :},
	edition = {1ª ed.}
}