ebrary, Inc, & Demastes, W. W. (1996). British playwrights, 1956-1995: A research and production sourcebook. Greenwood Press.
Lua i Stíl Chicago (17ú heag.)ebrary, Inc, agus William W. Demastes. British Playwrights, 1956-1995: A Research and Production Sourcebook. Westport, Conn.: Greenwood Press, 1996.
Lua MLA (9ú heag.)ebrary, Inc, agus William W. Demastes. British Playwrights, 1956-1995: A Research and Production Sourcebook. Greenwood Press, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.