Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). niobate. Retrieved September 23, 2026, from http://smartdefine.org/niobate/definitions/2036815 |
| Chicago | Webster's. 2011. "niobate" http://smartdefine.org/niobate/definitions/2036815 (accessed September 23, 2026). |
| Harvard | Webster's 2011, niobate, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/niobate/definitions/2036815>. |
| MLA | Webster's. "niobate" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/niobate/definitions/2036815> |