Howard, D., & Mabley, E. (1993). The tools of screenwriting: A writer's guide to the craft and elements of a screenplay. St. Martin's Press.
Lua i Stíl Chicago (17ú heag.)Howard, David, agus Edward Mabley. The Tools of Screenwriting: A Writer's Guide to the Craft and Elements of a Screenplay. New York: St. Martin's Press, 1993.
Lua MLA (8ú heag.)Howard, David, agus Edward Mabley. The Tools of Screenwriting: A Writer's Guide to the Craft and Elements of a Screenplay. St. Martin's Press, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.