| APA | Smart Define. (-0001). renewable energy source thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/renewable_energy_source/thesaurus/narrower |
| Chicago | Smart Define. -0001. "renewable energy source thesaurus" https://smartdefine.org/renewable_energy_source/thesaurus/narrower (accessed September 26, 2026). |
| Harvard | Smart Define -0001, renewable energy source thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/renewable_energy_source/thesaurus/narrower>. |
| MLA | Smart Define. "renewable energy source thesaurus" 30 November -0001. Web. 26 September 2026. <https://smartdefine.org/renewable_energy_source/thesaurus/narrower> |