Houseman, B. (2002). Finding your voice: A step-by-step guide for actors. Routledge ; Nick Hern.
Lua i Stíl Chicago (17ú heag.)Houseman, Barbara. Finding Your Voice: A Step-by-step Guide for Actors. New York : London: Routledge ; Nick Hern, 2002.
Lua MLA (9ú heag.)Houseman, Barbara. Finding Your Voice: A Step-by-step Guide for Actors. Routledge ; Nick Hern, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.