Dyfyniad APA

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.

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.