Brett, Richard
Port Moresby : The Summer Istitute of Linguistic, 1961.
Buku Teks
Brett, Richard
[Port Moresby : Department of Information and Extension Services and the] Summer Institute of Linguistics, 1962
Buku Klasik
Lundman, Richard J., author
Holty,Rinchart and Winston, 1980
Buku Teks
Maitland, F. W.
Russel & Russell, 1885
Buku Teks
Smart, Huw, author
Oxford University Press, 2006
Buku Referensi