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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Crowe, 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.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Crowe, 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.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.