| ISO 639-3 | art-001 |
| ntr | |
| ISO 639-3 Reference Names | art-289 | Delo |
| ISO 639-3 Print Names | art-290 | Delo |
| ISO 639-3 Inverted Names | art-291 | Delo |
| Ethnologue Primary Language Names | art-323 | Delo |
| Glottolog Languoid Names | art-326 | Delo |
| Glottocode | art-327 | delo1240 |
| Glottolog Primary Key | art-328 | 33081 |
| Ethnologue Language Names | art-330 | Delo |
| Ethnologue Language Names | art-330 | Ntribou |
| Ethnologue Language Names | art-330 | Ntribu |
| Ethnologue Language Names | art-330 | Ntrubo |
| English | eng-000 | Delo |