^Friberg, T. and T.V. Laskowske (1989). "South Sulawesi languages". In: J.N. Sneddon (ed.), Studies in Sulawesi linguistics part 1, pp. 1-17. Jakarta: Badan Penyelenggara Seri Nusa.
^Friberg, T. and T.V. Laskowske (1989). "South Sulawesi languages". In: J.N. Sneddon (ed.), Studies in Sulawesi linguistics part 1, pp. 1-17. Jakarta: Badan Penyelenggara Seri Nusa.