Callow, S. (1988). Being an actor. Penguin Books.
Lua i Stíl Chicago (17ú heag.)Callow, Simon. Being an Actor. London: Penguin Books, 1988.
Lua MLA (9ú heag.)Callow, Simon. Being an Actor. Penguin Books, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.