Read, P. G. (1982). Dictionary of gemmology. Butterworth Scientific.
Chicago Style (17th ed.) CitationRead, P. G. Dictionary of Gemmology. London: Butterworth Scientific, 1982.
MLA (9th ed.) CitationRead, P. G. Dictionary of Gemmology. Butterworth Scientific, 1982.
Warning: These citations may not always be 100% accurate.