Bathrick, D. Brecht's marxism and America: David Bathrick. Essays on Brecht : theater and politics.(1974).
Lua i Stíl Chicago (17ú heag.)Bathrick, David. "Brecht's Marxism and America: David Bathrick." Essays on Brecht : Theater and Politics.(1974) .
Lua MLA (8ú heag.)Bathrick, David. "Brecht's Marxism and America: David Bathrick." Essays on Brecht : Theater and Politics.(1974), .
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