| APA | Smart Define. (-0001). electron-ray tube thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/electron-ray_tube/thesaurus/related |
| Chicago | Smart Define. -0001. "electron-ray tube thesaurus" https://smartdefine.org/electron-ray_tube/thesaurus/related (accessed September 21, 2026). |
| Harvard | Smart Define -0001, electron-ray tube thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/electron-ray_tube/thesaurus/related>. |
| MLA | Smart Define. "electron-ray tube thesaurus" 30 November -0001. Web. 21 September 2026. <https://smartdefine.org/electron-ray_tube/thesaurus/related> |