APA (7e ed.) Bronvermelding

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 (17e ed.) Bronvermelding

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 (8e ed.) Bronvermelding

John XXIII, Pope. Sacrae Laudis: Apostolic Letter on Offering the Daily Reading of the Breviary for the Ecumenical Council. National Catholic Welfare Conference, 1962.