Classification
- WALS
- SB > South Bougainville
- Glottolog
- South Bougainville > Nasioiic > Nasioi > South Centralnasioi > Centralnasioi
- Ethnologue
- Southbougainville > Nasioi
Sources
- Hurd and Hurd 1966
- Nasioi language course. Port Moresby: Summer Institute of Linguistics.