O'Gorman, H. (2007). The 113 keys to acting. Kendall/Hunt.
Lua i Stíl Chicago (17ú heag.)O'Gorman, Hugh. The 113 Keys to Acting. Dubuque: Kendall/Hunt, 2007.
Lua MLA (9ú heag.)O'Gorman, Hugh. The 113 Keys to Acting. Kendall/Hunt, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.