@book{461,
	author = {Paddy de Holder, Leticia and Rodríguez de Echevers, Lisbet and Varagas Vega, Gilberto},
	title = {Geografía 8: geografía de América /},
	publisher = {Santillana,},
	year = {2005.},
	address = {Panamá :}
}