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.
Čikaški stil citiranja (17. izdanje)Catholic Church, Abbaye Saint-Pierre de Solesmes, Gregorian Institute of America, i Charles E. Spence. Chants of the Church: Selected Gregorian Chants. Toledo: Gregorian Institute of America, 1962.
MLA način citiranja (8. izdanje)Catholic Church, et al. Chants of the Church: Selected Gregorian Chants. Gregorian Institute of America, 1962.
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