The first international coloured gemstones conference and gem & jewellery exhibition 1-3 February 1982.
Chicago Style (17th ed.) CitationThe First International Coloured Gemstones Conference and Gem & Jewellery Exhibition 1-3 February 1982.
MLA (9th ed.) CitationThe First International Coloured Gemstones Conference and Gem & Jewellery Exhibition 1-3 February 1982.
Warning: These citations may not always be 100% accurate.