(a.) Made of oak.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). roboreous. Retrieved September 22, 2026, from http://smartdefine.org/roboreous/definitions/2056305 |
| Chicago | Webster's. 2011. "roboreous" http://smartdefine.org/roboreous/definitions/2056305 (accessed September 22, 2026). |
| Harvard | Webster's 2011, roboreous, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/roboreous/definitions/2056305>. |
| MLA | Webster's. "roboreous" 28 May 2011. Web. 22 September 2026. <http://smartdefine.org/roboreous/definitions/2056305> |