@book{3203,
	author = {León Velasco, Juan Bernardo},
	title = {Manual de geografía del Ecuador :},
	publisher = {Universidad Andina Simón Bolívar,},
	year = {2010},
	series = {( Manuales educativos ; 4 ) },
	address = {Quito, Ecuador : },
	note = {Incluye índice.}
}