| APA | Smart Define. (2013). labial stop thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/labial_stop/thesaurus/related |
| Chicago | Smart Define. 2013. "labial stop thesaurus" https://smartdefine.org/labial_stop/thesaurus/related (accessed September 25, 2026). |
| Harvard | Smart Define 2013, labial stop thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/labial_stop/thesaurus/related>. |
| MLA | Smart Define. "labial stop thesaurus" 18 May 2013. Web. 25 September 2026. <https://smartdefine.org/labial_stop/thesaurus/related> |