Catholic Church. Pontificia Commissio de Spirituali Migratorum atque Itinerantium Cura. (1978). Letter to episcopal conferences on the Church and people on the move: May 4, 1978. United States Catholic Conference.
Dyfyniad Arddull ChicagoCatholic Church. Pontificia Commissio de Spirituali Migratorum atque Itinerantium Cura. Letter to Episcopal Conferences on the Church and People on the Move: May 4, 1978. Washington: United States Catholic Conference, 1978.
Dyfyniad MLACatholic Church. Pontificia Commissio de Spirituali Migratorum atque Itinerantium Cura. Letter to Episcopal Conferences on the Church and People on the Move: May 4, 1978. United States Catholic Conference, 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.