| APA | Smart Define. (2013). angle of penetration thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/angle_of_penetration/thesaurus/related |
| Chicago | Smart Define. 2013. "angle of penetration thesaurus" https://smartdefine.org/angle_of_penetration/thesaurus/related (accessed September 29, 2026). |
| Harvard | Smart Define 2013, angle of penetration thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/angle_of_penetration/thesaurus/related>. |
| MLA | Smart Define. "angle of penetration thesaurus" 18 May 2013. Web. 29 September 2026. <https://smartdefine.org/angle_of_penetration/thesaurus/related> |