| APA | Smart Define. (-0001). International Commission on Illumination thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/international_commission_on_illumination/thesaurus/broader |
| Chicago | Smart Define. -0001. "International Commission on Illumination thesaurus" https://smartdefine.org/international_commission_on_illumination/thesaurus/broader (accessed September 27, 2026). |
| Harvard | Smart Define -0001, International Commission on Illumination thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/international_commission_on_illumination/thesaurus/broader>. |
| MLA | Smart Define. "International Commission on Illumination thesaurus" 30 November -0001. Web. 27 September 2026. <https://smartdefine.org/international_commission_on_illumination/thesaurus/broader> |