Czaplicka, J. (1990). Envisioning America: Prints, drawings, and photographs by George Grosz and his contemporaries 1915-1933.
Čikaški stil citiranja (17. izdanje)Czaplicka, John. Envisioning America: Prints, Drawings, and Photographs by George Grosz and His Contemporaries 1915-1933. 1990.
MLA način citiranja (8. izdanje)Czaplicka, John. Envisioning America: Prints, Drawings, and Photographs by George Grosz and His Contemporaries 1915-1933. 1990.
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