Παραπομπή σε μορφή APA (7η εκδ.)

Catholic Church. National Conference of Catholic Bishops. Bishops' Committee on the Liturgy & United States Catholic Conference. (1977). A call to prayer: The Liturgy of the hours. U.S. Catholic Conference.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Catholic Church. National Conference of Catholic Bishops. Bishops' Committee on the Liturgy και United States Catholic Conference. A Call to Prayer: The Liturgy of the Hours. Washington, DC: U.S. Catholic Conference, 1977.

Παραπομπή σε μορφή MLA (8th εκδ.)

Catholic Church. National Conference of Catholic Bishops. Bishops' Committee on the Liturgy και United States Catholic Conference. A Call to Prayer: The Liturgy of the Hours. U.S. Catholic Conference, 1977.