Παραπομπή σε μορφή APA (7η εκδ.)

John XXIII, P. (1962). Sacrae laudis: Apostolic letter on offering the daily reading of the breviary for the Ecumenical Council. National Catholic Welfare Conference.

Παραπομπή σε μορφή Chicago (17η εκδ.)

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.

Παραπομπή σε μορφή MLA (8th εκδ.)

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