| APA | Smart Define. (1970). phenomena tend to be sectoral thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/phenomena_tend_to_be_sectoral/thesaurus/broader |
| Chicago | Smart Define. 1970. "phenomena tend to be sectoral thesaurus" https://smartdefine.org/phenomena_tend_to_be_sectoral/thesaurus/broader (accessed September 26, 2026). |
| Harvard | Smart Define 1970, phenomena tend to be sectoral thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/phenomena_tend_to_be_sectoral/thesaurus/broader>. |
| MLA | Smart Define. "phenomena tend to be sectoral thesaurus" 1 January 1970. Web. 26 September 2026. <https://smartdefine.org/phenomena_tend_to_be_sectoral/thesaurus/broader> |