Hiley, D. (2009). Gregorian chant. Cambridge Univ. Press.
Chicago Style (17th ed.) CitationHiley, David. Gregorian Chant. Cambridge New York: Cambridge Univ. Press, 2009.
MLA (8th ed.) CitationHiley, David. Gregorian Chant. Cambridge Univ. Press, 2009.
Warning: These citations may not always be 100% accurate.