Calderhead, C., & Cohen, H. (2011). The world encyclopedia of calligraphy: The ultimate compendium on the art of fine writing : history, craft, technique. Sterling.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCalderhead, Christopher, और Holly Cohen. The World Encyclopedia of Calligraphy: The Ultimate Compendium on the Art of Fine Writing : History, Craft, Technique. New York, NY: Sterling, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCalderhead, Christopher, और Holly Cohen. The World Encyclopedia of Calligraphy: The Ultimate Compendium on the Art of Fine Writing : History, Craft, Technique. Sterling, 2011.
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