Roberts, Arthur D.
Programming for numerical control machines / Arthur D. Roberts and Richard C. Prentice
McGraw-Hill , 1968
 Buku Teks
The languages of the Pacific Nancy J. Morris
 Artikel Jurnal
Grimes, Charles E.
Languages of South Sulawesi / by Charles E. Grimes and Barbara D. Grimes.
Australian National University, 1987
 Buku Teks
Handbook of Australian languages Vol.1/ Edited by R.M.W. Dixon and Barry J. Blake
John Benjamins B.V., 1979
 Buku Teks
Handbook of Australian languages Vol.2/ Edited by R.M.W. Dixon and Barry J. Blake
John Benjamins B.V., 1981
 Buku Teks