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 Style (17. basım) AtıfCatholic Church. National Conference of Catholic Bishops. Bishops' Committee on the Liturgy ve United States Catholic Conference. A Call to Prayer: The Liturgy of the Hours. Washington, DC: U.S. Catholic Conference, 1977.
MLA (8th ed.) AtıfCatholic Church. National Conference of Catholic Bishops. Bishops' Committee on the Liturgy ve United States Catholic Conference. A Call to Prayer: The Liturgy of the Hours. U.S. Catholic Conference, 1977.
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