@book{210436,
	author = {Bosco, Giovanni, and Fierro Torres, Rodolfo},
	title = {Biografía y escritos de San Juan Bosco},
	publisher = {Editorial Católica},
	year = {1955.},
	series = {Biblioteca de Autores Cristianos},
	address = {Madrid},
	note = {Includes indexes.}
}