| APA | Smart Define. (2013). luminous intensity unit thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/luminous_intensity_unit/thesaurus/narrower |
| Chicago | Smart Define. 2013. "luminous intensity unit thesaurus" https://smartdefine.org/luminous_intensity_unit/thesaurus/narrower (accessed September 23, 2026). |
| Harvard | Smart Define 2013, luminous intensity unit thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/luminous_intensity_unit/thesaurus/narrower>. |
| MLA | Smart Define. "luminous intensity unit thesaurus" 17 May 2013. Web. 23 September 2026. <https://smartdefine.org/luminous_intensity_unit/thesaurus/narrower> |