Wendt, E. (1966). Bertolt Brecht. Inter Nationes-Bad godesberg.
Tohutoru Kātū Chicago (17th ed.)Wendt, Ernst. Bertolt Brecht. Colonia: Inter Nationes-Bad godesberg, 1966.
Tohutoro MLA (9th ed.)Wendt, Ernst. Bertolt Brecht. Inter Nationes-Bad godesberg, 1966.
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