| APA | Smart Define. (2013). subject of study thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/subject_of_study/thesaurus/related |
| Chicago | Smart Define. 2013. "subject of study thesaurus" https://smartdefine.org/subject_of_study/thesaurus/related (accessed September 23, 2026). |
| Harvard | Smart Define 2013, subject of study thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/subject_of_study/thesaurus/related>. |
| MLA | Smart Define. "subject of study thesaurus" 18 May 2013. Web. 23 September 2026. <https://smartdefine.org/subject_of_study/thesaurus/related> |