John XXIII, P. (1962). 1961 Christmas message. National Catholic Welfare Conference.
Lua i Stíl Chicago (17ú heag.)John XXIII, Pope. 1961 Christmas Message. Washington, D.C.: National Catholic Welfare Conference, 1962.
Lua MLA (8ú heag.)John XXIII, Pope. 1961 Christmas Message. National Catholic Welfare Conference, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.