APA (7 वां संस्करण) प्रशस्ति पत्र

Becker, L. (2012). George Grosz: The big No : drawings from two portfolios : ecce homo and Hintergrund / Lutz Becker. Hayward Publishing.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Becker, Lutz. George Grosz: The Big No : Drawings from Two Portfolios : Ecce Homo and Hintergrund / Lutz Becker. London: Hayward Publishing, 2012.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Becker, Lutz. George Grosz: The Big No : Drawings from Two Portfolios : Ecce Homo and Hintergrund / Lutz Becker. Hayward Publishing, 2012.