| English | eng-000 |
| Ruga | |
| ISO 639-3 | art-001 | ruh |
| ISO 639-PanLex | art-274 | ruh-000 |
| ISO 639-3 Inverted Names | art-291 | Ruga |
| Glottolog Languoid Names | art-326 | Ruga |
| Glottocode | art-327 | ruga1238 |
| Glottolog Primary Key | art-328 | 28174 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 1176 |
| français | fra-000 | ruga |
| español | spa-000 | ruga |