Brecht, B. (1972). Bertolt Brecht collected plays. Vintage Books.
Lua i Stíl Chicago (17ú heag.)Brecht, Bertolt. Bertolt Brecht Collected Plays. New York: Vintage Books, 1972.
Lua MLA (9ú heag.)Brecht, Bertolt. Bertolt Brecht Collected Plays. Vintage Books, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.