@book{21720,
	author = {Saavedra, Viviana and Rodríguez Fajardo, Juan Sebastián},
	title = { Empalagos /},
	publisher = {Corporación Unificada Nacional de Educación Superior,},
	year = {2011.},
	address = {Bogotá (Colombia) :},
	edition = {                   }
}