Kirby, M. (1987). A formalist theatre. University of Pennsylvania Press.
Lua i Stíl Chicago (17ú heag.)Kirby, Michael. A Formalist Theatre. Philadelphia: University of Pennsylvania Press, 1987.
Lua MLA (9ú heag.)Kirby, Michael. A Formalist Theatre. University of Pennsylvania Press, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.