Leonard, J. A. (2001). Theatre sound. A & C Black.
Lua i Stíl Chicago (17ú heag.)Leonard, John A. Theatre Sound. London: A & C Black, 2001.
Lua MLA (9ú heag.)Leonard, John A. Theatre Sound. A & C Black, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.