Classification
- WALS
- TK > Kam Tai
- Glottolog
- Tai Kadai > Kam Tai > Daic Beic > Daic > Central Southwesterntai > Debao Jingxi Nung
- Ethnologue
- Kra Dai > Kam Tai > Tai > Central
Sources
- Freiberger 1976
- Sẹc mạhn slú Nohng Fạn Slihng = Ngũ-vụng Nùng Phạn Slinh = Nung Fan Slihng vocabulary: Nung-Viêt-English. Manila: Summer Institute of Linguistics.