| APA | Smart Define. (1970). prevention of blindness trust thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/prevention_of_blindness_trust/thesaurus/related |
| Chicago | Smart Define. 1970. "prevention of blindness trust thesaurus" https://smartdefine.org/prevention_of_blindness_trust/thesaurus/related (accessed September 30, 2026). |
| Harvard | Smart Define 1970, prevention of blindness trust thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/prevention_of_blindness_trust/thesaurus/related>. |
| MLA | Smart Define. "prevention of blindness trust thesaurus" 1 January 1970. Web. 30 September 2026. <https://smartdefine.org/prevention_of_blindness_trust/thesaurus/related> |