Matlins, A. L., Bonanno, A. C., & Crystal, J. (1990). Engagement & wedding rings: The definitive buying guide for people in love. GemStone Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMatlins, Antoinette Leonard, Antonio C. Bonanno, और Jane Crystal. Engagement & Wedding Rings: The Definitive Buying Guide for People in Love. South Woodstock, VT: GemStone Press, 1990.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMatlins, Antoinette Leonard, et al. Engagement & Wedding Rings: The Definitive Buying Guide for People in Love. GemStone Press, 1990.
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