@book{91465,
	author = {Mill, John Stuart, and Guisán, Esperanza.},
	title = {El utilitarismo :},
	publisher = {Alianza Editorial,},
	year = {2002.},
	address = {Madrid :},
	edition = {1. ed.},
	note = {Referencias bibliográficas .-- Tít. original: Utilitarism - The sicence of logic, book VI, chapter XII.}
}