Mews, S., & Knust, H. (1974). Essays on Brecht: Theater and politics. Univ. of North Carolina Pr..
Lua i Stíl Chicago (17ú heag.)Mews, Siegfried, agus Herbert Knust. Essays on Brecht: Theater and Politics. Chapel Hill: Univ. of North Carolina Pr., 1974.
Lua MLA (8ú heag.)Mews, Siegfried, agus Herbert Knust. Essays on Brecht: Theater and Politics. Univ. of North Carolina Pr., 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.