Pius XII, P. (1951). To all who are in prison: A message. National Catholic Welfare Conference.
Dyfyniad Arddull ChicagoPius XII, Pope. To All Who Are in Prison: A Message. Washington, D.C.: National Catholic Welfare Conference, 1951.
Dyfyniad MLAPius XII, Pope. To All Who Are in Prison: A Message. National Catholic Welfare Conference, 1951.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.