| APA | Smart Define. (-0001). water purification thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/water_purification/thesaurus/related |
| Chicago | Smart Define. -0001. "water purification thesaurus" https://smartdefine.org/water_purification/thesaurus/related (accessed September 28, 2026). |
| Harvard | Smart Define -0001, water purification thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/water_purification/thesaurus/related>. |
| MLA | Smart Define. "water purification thesaurus" 30 November -0001. Web. 28 September 2026. <https://smartdefine.org/water_purification/thesaurus/related> |