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-viite (17. p.)Catholic Church, Abbaye Saint-Pierre de Solesmes, Gregorian Institute of America, ja Charles E. Spence. Chants of the Church: Selected Gregorian Chants. Toledo: Gregorian Institute of America, 1962.
MLA-viite (8. p.)Catholic Church, et al. Chants of the Church: Selected Gregorian Chants. Gregorian Institute of America, 1962.
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