University of Toronto. Graduate Centre for Study of Drama. (1958). Modern Drama. A.M. Hakkert.
Lua i Stíl Chicago (17ú heag.)University of Toronto. Graduate Centre for Study of Drama. Modern Drama. Toronto, Canada: A.M. Hakkert, 1958.
Lua MLA (8ú heag.)University of Toronto. Graduate Centre for Study of Drama. Modern Drama. A.M. Hakkert, 1958.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.