Molesworth, H. (2024). Precious: The history and mystery of gems across time (First U.S. edition.). Ballantine Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMolesworth, Helen. Precious: The History and Mystery of Gems Across Time. First U.S. edition. New York: Ballantine Books, 2024.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMolesworth, Helen. Precious: The History and Mystery of Gems Across Time. First U.S. edition. Ballantine Books, 2024.
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