| ISO 639-3 Reference Names | art-289 | Gulay |
| ISO 639-3 Print Names | art-290 | Gulay |
| ISO 639-3 Inverted Names | art-291 | Gulay |
| Ethnologue Primary Language Names | art-323 | Gulay |
| Glottolog Languoid Names | art-326 | Gulay |
| Glottocode | art-327 | gula1268 |
| Glottolog Primary Key | art-328 | 35085 |
| Ethnologue Language Names | art-330 | Goulai |
| Ethnologue Language Names | art-330 | Goulaye |
| Ethnologue Language Names | art-330 | Goulei |
| Ethnologue Language Names | art-330 | Gulai |
| Ethnologue Language Names | art-330 | Gulay |
| Ethnologue Language Names | art-330 | Gulei |
| Ethnologue Language Names | art-330 | Pen |
| Ethnologue Language Names | art-330 | Peni |
| English | eng-000 | Gulay |
