| APA | Smart Define. (2015). voice part thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/voice_part/thesaurus/narrower |
| Chicago | Smart Define. 2015. "voice part thesaurus" https://smartdefine.org/voice_part/thesaurus/narrower (accessed September 23, 2026). |
| Harvard | Smart Define 2015, voice part thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/voice_part/thesaurus/narrower>. |
| MLA | Smart Define. "voice part thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/voice_part/thesaurus/narrower> |