Smart, J. (2009). Twentieth century british drama (7th printing.). Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Smart, John. Twentieth Century British Drama. 7th printing. Cambridge: Cambridge University Press, 2009.
Lua MLA (9ú heag.)Smart, John. Twentieth Century British Drama. 7th printing. Cambridge University Press, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.