Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). brustle. Retrieved September 27, 2026, from http://smartdefine.org/brustle/definitions/1982833 |
| Chicago | Webster's. 2011. "brustle" http://smartdefine.org/brustle/definitions/1982833 (accessed September 27, 2026). |
| Harvard | Webster's 2011, brustle, Smart Define, viewed 27 September, 2026, <http://smartdefine.org/brustle/definitions/1982833>. |
| MLA | Webster's. "brustle" 27 May 2011. Web. 27 September 2026. <http://smartdefine.org/brustle/definitions/1982833> |