Fergusson, F. (1949). The idea of a theater: A study of ten plays : the art of drama in changing perspective (First Princeton paperback edition.). Princeton University Press.
Lua i Stíl Chicago (17ú heag.)Fergusson, Francis. The Idea of a Theater: A Study of Ten Plays : The Art of Drama in Changing Perspective. First Princeton paperback edition. Princeton, New Jersey: Princeton University Press, 1949.
Lua MLA (9ú heag.)Fergusson, Francis. The Idea of a Theater: A Study of Ten Plays : The Art of Drama in Changing Perspective. First Princeton paperback edition. Princeton University Press, 1949.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.