O'Donoghue, M., & Joyner, L. (2003). Identification of gemstones. Butterworth Heinemann.
Chicago Style (17th ed.) CitationO'Donoghue, Michael, and Louise Joyner. Identification of Gemstones. Oxford: Butterworth Heinemann, 2003.
MLA (9th ed.) CitationO'Donoghue, Michael, and Louise Joyner. Identification of Gemstones. Butterworth Heinemann, 2003.
Warning: These citations may not always be 100% accurate.