@book{171371,
	author = {Piña Osorio, Juan Manuel. and Chávez Arellano, María Eugenia,},
	title = {Ética y valores },
	publisher = {Grupo Patria Cultural, },
	year = {2005.},
	series = {Bachillerato General.},
	address = {México :},
	edition = {1a ed.}
}