Becker, L. (2012). George Grosz: The big No : drawings from two portfolios : ecce homo and Hintergrund / Lutz Becker. Hayward Publishing.
Cita Chicago (17th ed.)Becker, Lutz. George Grosz: The Big No : Drawings from Two Portfolios : Ecce Homo and Hintergrund / Lutz Becker. London: Hayward Publishing, 2012.
Cita MLA (8th ed.)Becker, Lutz. George Grosz: The Big No : Drawings from Two Portfolios : Ecce Homo and Hintergrund / Lutz Becker. Hayward Publishing, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.