Catholic Church & Catholic Church. National Conference of Catholic Bishops. Bishops' Committee on the Liturgy. (1971). General instruction on the Liturgy of the Hours: With an introduction and survey. National Conference of Catholic Bishops. Committee on the Liturgy.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Catholic Church và Catholic Church. National Conference of Catholic Bishops. Bishops' Committee on the Liturgy. General Instruction on the Liturgy of the Hours: With an Introduction and Survey. Washington, D.C.: National Conference of Catholic Bishops. Committee on the Liturgy, 1971.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Catholic Church và Catholic Church. National Conference of Catholic Bishops. Bishops' Committee on the Liturgy. General Instruction on the Liturgy of the Hours: With an Introduction and Survey. National Conference of Catholic Bishops. Committee on the Liturgy, 1971.