@book{292448,
	author = {Casullo, Alicia B. and Rasnosky, Judith},
	title = {Formación ética y ciudadana 9 EGB / Alicia B. Casullo, Judith Rasnosky, Gabariel D. Bordone},
	publisher = {Santillana},
	year = {1997},
	address = {Buenos Aires}
}