The Ndu language family (Sepik District, New Guinea) /
by D.C. Laycock.
- Canberra : Australian National University [for] Linguistic Circle of Canberra, 1965.
- xi, 224 p. : ill., map.
- Linguistic Circle of Canberra publications. Series C: Books ; no. 1 .
- Pacific linguistics. Series C ; no. 1 .