| ISO 639-3 | art-001 |
| wiv | |
| ISO 639-3 Reference Names | art-289 | Vitu |
| ISO 639-3 Print Names | art-290 | Vitu |
| ISO 639-3 Inverted Names | art-291 | Vitu |
| Ethnologue Primary Language Names | art-323 | Vitu |
| Glottolog Languoid Names | art-326 | Muduapa |
| Glottocode | art-327 | mudu1242 |
| Glottolog Primary Key | art-328 | 42149 |
| Ethnologue Language Names | art-330 | Muduapa |
| Ethnologue Language Names | art-330 | Vitu |
| Ethnologue Language Names | art-330 | Witu |
| Deutsch | deu-000 | Muduapa |
| English | eng-000 | Muduapa |