| APA | Smart Define. (2015). end product thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/end_product/thesaurus/narrower |
| Chicago | Smart Define. 2015. "end product thesaurus" https://smartdefine.org/end_product/thesaurus/narrower (accessed September 24, 2026). |
| Harvard | Smart Define 2015, end product thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/end_product/thesaurus/narrower>. |
| MLA | Smart Define. "end product thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/end_product/thesaurus/narrower> |