Rituum, C. C. C. S. (1967). Instruction on Eucharistic Worship, May 25, 1967. Washington, D.C..
Dyfyniad Arddull ChicagoRituum, Catholic Church. Congregatio Sacrorum. Instruction on Eucharistic Worship, May 25, 1967. Washington, D.C., 1967.
Dyfyniad MLARituum, Catholic Church. Congregatio Sacrorum. Instruction on Eucharistic Worship, May 25, 1967. Washington, D.C., 1967.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.