| APA | Smart Define. (-0001). second-order thesaurus. Retrieved October 2, 2026, from https://smartdefine.org/second-order/thesaurus/related |
| Chicago | Smart Define. -0001. "second-order thesaurus" https://smartdefine.org/second-order/thesaurus/related (accessed October 2, 2026). |
| Harvard | Smart Define -0001, second-order thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/second-order/thesaurus/related>. |
| MLA | Smart Define. "second-order thesaurus" 30 November -0001. Web. 2 October 2026. <https://smartdefine.org/second-order/thesaurus/related> |