Classification
- WALS
- AuA > Katuic
- Glottolog
- Austroasiatic > Katuic > Westkatuic > Kuy Souei
- Ethnologue
- Austro Asiatic > Mon Khmer > Easternmon Khmer > Katuic > Westkatuic > Kuay
Sources
- Peiros 1998
- Comparative Linguistics in Southeast Asia. Pacific Linguistics C-142. Canberra: Australian National University.