^Friberg, Timothy; Laskowske, Thomas V. (1989).
"South Sulawesi languages"(PDF). In J.N. Sneddon (ed.). Studies in Sulawesi linguistics part 1. NUSA 17. Jakarta: Badan Penyelenggara Seri Nusa. pp. 1–17.
^Friberg, Timothy; Laskowske, Thomas V. (1989).
"South Sulawesi languages"(PDF). In J.N. Sneddon (ed.). Studies in Sulawesi linguistics part 1. NUSA 17. Jakarta: Badan Penyelenggara Seri Nusa. pp. 1–17.