| APA | Smart Define. (2011). international civil aviation organization thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/international_civil_aviation_organization/thesaurus/synonyms |
| Chicago | Smart Define. 2011. "international civil aviation organization thesaurus" https://smartdefine.org/international_civil_aviation_organization/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2011, international civil aviation organization thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/international_civil_aviation_organization/thesaurus/synonyms>. |
| MLA | Smart Define. "international civil aviation organization thesaurus" 26 April 2011. Web. 30 September 2026. <https://smartdefine.org/international_civil_aviation_organization/thesaurus/synonyms> |