Ward, J. B. (1923). Gregorian chant: According to the principles of Dom André Mocquereau of Solesmes. The Catholic Education Press.
Chicago-Zitierstil (17. Ausg.)Ward, Justine Bayard. Gregorian Chant: According to the Principles of Dom André Mocquereau of Solesmes. Washington, D. C.: The Catholic Education Press, 1923.
MLA-Zitierstil (8. Ausg.)Ward, Justine Bayard. Gregorian Chant: According to the Principles of Dom André Mocquereau of Solesmes. The Catholic Education Press, 1923.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.