(1999). Niobiĭ, tantal i ︠t︡sirkoniĭ v mineralakh: Kristallokhimicheskiĭ spravochnik. IMGRĖ.
Chicago Style (17th ed.) CitationNiobiĭ, Tantal I ︠t︡sirkoniĭ V Mineralakh: Kristallokhimicheskiĭ Spravochnik. Moskva: IMGRĖ, 1999.
MLA (8th ed.) CitationNiobiĭ, Tantal I ︠t︡sirkoniĭ V Mineralakh: Kristallokhimicheskiĭ Spravochnik. IMGRĖ, 1999.
Warning: These citations may not always be 100% accurate.