| APA | Smart Define. (2011). multiengine airplane thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/multiengine_airplane/thesaurus/broader |
| Chicago | Smart Define. 2011. "multiengine airplane thesaurus" https://smartdefine.org/multiengine_airplane/thesaurus/broader (accessed September 22, 2026). |
| Harvard | Smart Define 2011, multiengine airplane thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/multiengine_airplane/thesaurus/broader>. |
| MLA | Smart Define. "multiengine airplane thesaurus" 26 April 2011. Web. 22 September 2026. <https://smartdefine.org/multiengine_airplane/thesaurus/broader> |