@book{292468,
	author = {Massun, Ignacio C. M. and Donadio, Marcela},
	title = {Educación cívica 3 / Ignacio C. M. Massun, Maria Beatriz Massun, Marcela Donadio},
	publisher = {Metodos},
	year = {1993},
	address = {Buenos Aires}
}