John XXIII, P. (1962). Sacrae laudis: Apostolic letter on offering the daily reading of the breviary for the Ecumenical Council. National Catholic Welfare Conference.
Čikaški stil citiranja (17. izdanje)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 način citiranja (8. izdanje)John XXIII, Pope. Sacrae Laudis: Apostolic Letter on Offering the Daily Reading of the Breviary for the Ecumenical Council. National Catholic Welfare Conference, 1962.
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