Becker, L. (2012). George Grosz: The big No : drawings from two portfolios : ecce homo and Hintergrund / Lutz Becker. Hayward Publishing.
Citazione stile Chigago Style (17a edizione)Becker, Lutz. George Grosz: The Big No : Drawings from Two Portfolios : Ecce Homo and Hintergrund / Lutz Becker. London: Hayward Publishing, 2012.
Citatione MLA (8a ed.)Becker, Lutz. George Grosz: The Big No : Drawings from Two Portfolios : Ecce Homo and Hintergrund / Lutz Becker. Hayward Publishing, 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.