Ward, J. B. (1923). Gregorian chant: According to the principles of Dom Andre Mocquereau of Solesmes. The Catholic Education Press.
Chicago-Zitierstil (17. Ausg.)Ward, Justine Bayard. Gregorian Chant: According to the Principles of Dom Andre Mocquereau of Solesmes. Washington, D.C: The Catholic Education Press, 1923.
MLA-Zitierstil (9. Ausg.)Ward, Justine Bayard. Gregorian Chant: According to the Principles of Dom Andre Mocquereau of Solesmes. The Catholic Education Press, 1923.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.