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.
Chicago-referens (17:e uppl.)Catholic Church, Abbaye Saint-Pierre de Solesmes, Gregorian Institute of America, och Charles E. Spence. Chants of the Church: Selected Gregorian Chants. Toledo: Gregorian Institute of America, 1962.
MLA-referens (8:e uppl.)Catholic Church, et al. Chants of the Church: Selected Gregorian Chants. Gregorian Institute of America, 1962.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.