Crowe, J. (2012). The jeweler's directory of gemstones: A complete guide to appraising and using precious stones, from cut and color to shape and setting. Firefly Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCrowe, Judith. The Jeweler's Directory of Gemstones: A Complete Guide to Appraising and Using Precious Stones, from Cut and Color to Shape and Setting. Richmond Hill, Ont.: Firefly Books, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCrowe, Judith. The Jeweler's Directory of Gemstones: A Complete Guide to Appraising and Using Precious Stones, from Cut and Color to Shape and Setting. Firefly Books, 2012.
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