Roberts, J. (1998). Technique, technology and the everyday: German photographic culture in the 1920s and 1930s. The art of interruption : realism, photography and the everyday.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিRoberts, John. "Technique, Technology and the Everyday: German Photographic Culture in the 1920s and 1930s." The Art of Interruption : Realism, Photography and the Everyday 1998.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিRoberts, John. "Technique, Technology and the Everyday: German Photographic Culture in the 1920s and 1930s." The Art of Interruption : Realism, Photography and the Everyday, 1998.
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