Portnoy, K. (1998). Screen adaptation: A scriptwriting handbook (2nd ed.). Focal Press.
Lua i Stíl Chicago (17ú heag.)Portnoy, Kenneth. Screen Adaptation: A Scriptwriting Handbook. 2nd ed. Boston ; Oxford: Focal Press, 1998.
Lua MLA (8ú heag.)Portnoy, Kenneth. Screen Adaptation: A Scriptwriting Handbook. 2nd ed. Focal Press, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.