Não informado. (1954). Gems and minerals. California Federation of Mineralogical Societies and Other Mineralogical.
Citace podle Chicago (17th ed.)Não informado. Gems and Minerals. Mentone, Calif: California Federation of Mineralogical Societies and Other Mineralogical, 1954.
Citace podle MLA (8th ed.)Não informado. Gems and Minerals. California Federation of Mineralogical Societies and Other Mineralogical, 1954.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..