Catholic Church, Abbaye Saint-Pierre de Solesmes, Gregorian Institute of America, & Spence, C. E. (1962). Chants of the church: Selected Gregorian chants. Gregorian Institute of America.
Dyfyniad Arddull ChicagoCatholic Church, Abbaye Saint-Pierre de Solesmes, Gregorian Institute of America, and Charles E. Spence. Chants of the Church: Selected Gregorian Chants. Toledo: Gregorian Institute of America, 1962.
Dyfyniad MLACatholic Church, et al. Chants of the Church: Selected Gregorian Chants. Gregorian Institute of America, 1962.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.