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.
Chicago-Zitierstil (17. Ausg.)Catholic Church. National Conference of Catholic Bishops. Bishops' Committee on the Liturgy und United States Catholic Conference. A Call to Prayer: The Liturgy of the Hours. Washington, DC: U.S. Catholic Conference, 1977.
MLA-Zitierstil (8. Ausg.)Catholic Church. National Conference of Catholic Bishops. Bishops' Committee on the Liturgy und United States Catholic Conference. A Call to Prayer: The Liturgy of the Hours. U.S. Catholic Conference, 1977.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.