APA (7 वां संस्करण) प्रशस्ति पत्र

Knust, H. Piscator and Brecht: Affinity and alienation / Herbert Knust. Essays on Brecht : theater and politics.(1974).

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Knust, Herbert. "Piscator and Brecht: Affinity and Alienation / Herbert Knust." Essays on Brecht : Theater and Politics.(1974) .

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Knust, Herbert. "Piscator and Brecht: Affinity and Alienation / Herbert Knust." Essays on Brecht : Theater and Politics.(1974), .