John XXIII, P. (1962). Sacrae laudis: Apostolic letter on offering the daily reading of the breviary for the Ecumenical Council. National Catholic Welfare Conference.
Chicago-referens (17:e uppl.)John XXIII, Pope. Sacrae Laudis: Apostolic Letter on Offering the Daily Reading of the Breviary for the Ecumenical Council. Washington: National Catholic Welfare Conference, 1962.
MLA-referens (8:e uppl.)John XXIII, Pope. Sacrae Laudis: Apostolic Letter on Offering the Daily Reading of the Breviary for the Ecumenical Council. National Catholic Welfare Conference, 1962.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.