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.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিCatholic Church এবং 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.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিCatholic Church এবং 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.