@book{9999,
	author = {Leiva Zea, Francisco and Proaño Verónica, edición},
	title = {Pedagogía :},
	publisher = {Radmandí, },
	year = {2003},
	series = { ( Manuales Universitarios )},
	address = {Quito, Ecuador :},
	note = {Incluye índice.}
}