Cita APA (7a ed.)

Davies, G. D., & Jahn, A. F. (2004). Care of the professional voice: : a guide to voice management for singers, actors and professional voice users (2nd ed.). A & C Black.

Cita Chicago Style (17a ed.)

Davies, Garfield D., y Anthony F. Jahn. Care of the Professional Voice: : A Guide to Voice Management for Singers, Actors and Professional Voice Users. 2nd ed. London: A & C Black, 2004.

Cita MLA (9a ed.)

Davies, Garfield D., y Anthony F. Jahn. Care of the Professional Voice: : A Guide to Voice Management for Singers, Actors and Professional Voice Users. 2nd ed. A & C Black, 2004.