| APA | Smart Define. (2011). vocal expression thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/vocal_expression/thesaurus/related |
| Chicago | Smart Define. 2011. "vocal expression thesaurus" https://smartdefine.org/vocal_expression/thesaurus/related (accessed September 21, 2026). |
| Harvard | Smart Define 2011, vocal expression thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/vocal_expression/thesaurus/related>. |
| MLA | Smart Define. "vocal expression thesaurus" 24 May 2011. Web. 21 September 2026. <https://smartdefine.org/vocal_expression/thesaurus/related> |