@book{36632,
	author = {Calle De Medinacelli, Rocío and Duque Izquierdo, Olga Lucía and Servicio Nacional de Aprendizaje (SENA)},
	title = {Los medios /},
	publisher = {SENA,},
	year = {1994.},
	address = {Bogotá :}
}