| ISO 639-3 | art-001 |
| wtw | |
| ISO 639-3 Reference Names | art-289 | Wotu |
| ISO 639-3 Print Names | art-290 | Wotu |
| ISO 639-3 Inverted Names | art-291 | Wotu |
| Ethnologue Primary Language Names | art-323 | Wotu |
| Glottolog Languoid Names | art-326 | Wotu |
| Glottocode | art-327 | wotu1240 |
| Glottolog Primary Key | art-328 | 40121 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 2326 |
| Ethnologue Language Names | art-330 | Wadu |
| Ethnologue Language Names | art-330 | Wotu |
| English | eng-000 | Wotu |
| français | fra-000 | wotu |
| español | spa-000 | wotu |