@book{68326,
	author = {Juan Pablo II},
	title = {Carta encíclica Laborem exercens del Sumo Pontífice Juan Pablo II : },
	publisher = {Ediciones Paulinas ,  },
	year = {1986.},
	series = {Colección "Documentos de la Iglesia" ; },
	address = {Bogotá : },
	edition = {5a. ed.},
	note = {Incluye índice. }
}