@book{113021,
	author = {Arriarán, Samuel.  and Beuchot, Mauricio,  },
	title = {Virtudes, valores y educación moral : },
	publisher = {Universidad Pedagógica Nacional, },
	year = {1999.},
	series = {Colección textos },
	address = {México : },
	edition = {1a ed. }
}