Keller, D. J. (1959). Fundamentals of Gregorian chant: A basis for class notes and study (5th rev. ed.). Liturgical Press.
Style de citation Chicago (17e éd.)Keller, Dominic J. Fundamentals of Gregorian Chant: A Basis for Class Notes and Study. 5th rev. ed. Collegeville, Minn.: Liturgical Press, 1959.
Style de citation MLA (8e éd.)Keller, Dominic J. Fundamentals of Gregorian Chant: A Basis for Class Notes and Study. 5th rev. ed. Liturgical Press, 1959.
Attention : ces citations peuvent ne pas être correctes à 100%.