Koivula, J. I. (2000). The microworld of diamonds: A visual reference guide. Gemworld Internat.
Chicago Style (17th ed.) CitationKoivula, John I. The Microworld of Diamonds: A Visual Reference Guide. Northbrook, IL, USA: Gemworld Internat, 2000.
MLA (9th ed.) CitationKoivula, John I. The Microworld of Diamonds: A Visual Reference Guide. Gemworld Internat, 2000.
Warning: These citations may not always be 100% accurate.