Não informado. (1929). Graphic arts monthly and the printing industry. Cahners Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Graphic Arts Monthly and the Printing Industry. Newton, Mass: Cahners Publishing, 1929.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Graphic Arts Monthly and the Printing Industry. Cahners Publishing, 1929.
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