Davies, D. G., & Jahn, A. F. (2005). Care of the professional voice: A guide to voice management for singers, actors and professional voice users (Second edition.). Routledge.
Chicago Style (17th ed.) CitationDavies, D. Garfield, and Anthony F. Jahn. Care of the Professional Voice: A Guide to Voice Management for Singers, Actors and Professional Voice Users. Second edition. New York: Routledge, 2005.
MLA (9th ed.) CitationDavies, D. Garfield, and Anthony F. Jahn. Care of the Professional Voice: A Guide to Voice Management for Singers, Actors and Professional Voice Users. Second edition. Routledge, 2005.
Warning: These citations may not always be 100% accurate.