Hagen, U., & Frankel, H. (2008). Respect for acting. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)Hagen, Uta, agus Haskel Frankel. Respect for Acting. Hoboken, N.J.: John Wiley & Sons, 2008.
Lua MLA (9ú heag.)Hagen, Uta, agus Haskel Frankel. Respect for Acting. John Wiley & Sons, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.