Hopper, R. (2009). The ceramic spectrum: A simplified approach to glaze and color development (2nd ed.). The American Ceramic Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHopper, Robin. The Ceramic Spectrum: A Simplified Approach to Glaze and Color Development. 2nd ed. Westerville, Ohio: The American Ceramic Society, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHopper, Robin. The Ceramic Spectrum: A Simplified Approach to Glaze and Color Development. 2nd ed. The American Ceramic Society, 2009.
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