@book{303383,
	author = {Grisez, Germain Gabriel, and Shaw, Russell B.},
	title = {Ser persona :},
	publisher = {Ediciones Rialp,},
	year = {2000},
	series = { Manuales Universitarios ; 29},
	address = {Madrid, España :},
	edition = {Tercera edición},
	note = {Título original : Beyond the new morality : the responsibilities of freedom}
}