Shiach, D. (2000). American drama, 1900-1990. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Shiach, Don. American Drama, 1900-1990. Cambridge: Cambridge University Press, 2000.
Lua MLA (9ú heag.)Shiach, Don. American Drama, 1900-1990. Cambridge University Press, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.