Shevtsova, M. 'The Caucasian Chalk Circle': The view from Europe / Maria Shevtsova. The Cambridge companion to Brecht.(2006).
Lua i Stíl Chicago (17ú heag.)Shevtsova, Maria. "'The Caucasian Chalk Circle': The View from Europe / Maria Shevtsova." The Cambridge Companion to Brecht.(2006) .
Lua MLA (8ú heag.)Shevtsova, Maria. "'The Caucasian Chalk Circle': The View from Europe / Maria Shevtsova." The Cambridge Companion to Brecht.(2006), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.