Barton, R. (1993). Acting: Onstage and off (Second edition.). Harcourt Brace Jovanovich College.
Lua i Stíl Chicago (17ú heag.)Barton, Robert. Acting: Onstage and off. Second edition. Fort Worth: Harcourt Brace Jovanovich College, 1993.
Lua MLA (9ú heag.)Barton, Robert. Acting: Onstage and off. Second edition. Harcourt Brace Jovanovich College, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.