| APA | Smart Define. (2013). internal revenue agent thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/internal_revenue_agent/thesaurus/broader |
| Chicago | Smart Define. 2013. "internal revenue agent thesaurus" https://smartdefine.org/internal_revenue_agent/thesaurus/broader (accessed September 28, 2026). |
| Harvard | Smart Define 2013, internal revenue agent thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/internal_revenue_agent/thesaurus/broader>. |
| MLA | Smart Define. "internal revenue agent thesaurus" 18 May 2013. Web. 28 September 2026. <https://smartdefine.org/internal_revenue_agent/thesaurus/broader> |