Lonergan, P. (2012). The theatre and films of Martin McDonagh. Methuen Drama.
Lua i Stíl Chicago (17ú heag.)Lonergan, Patrick. The Theatre and Films of Martin McDonagh. London: Methuen Drama, 2012.
Lua MLA (9ú heag.)Lonergan, Patrick. The Theatre and Films of Martin McDonagh. Methuen Drama, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.