John XXIII, P. (1962). On Catholic Action: Addresses. National Catholic Welfare Conference.
Dyfyniad Arddull ChicagoJohn XXIII, Pope. On Catholic Action: Addresses. Washington, D.C.: National Catholic Welfare Conference, 1962.
Dyfyniad MLAJohn XXIII, Pope. On Catholic Action: Addresses. National Catholic Welfare Conference, 1962.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.