Busoa is an Austronesian language of Buton Island, off the southeast coast of Sulawesi in Indonesia.
- ↑ Busoa at Ethnologue (18th ed., 2015)
- ↑ Hammarström, Harald; Forkel, Robert; Haspelmath, Martin; Bank, Sebastian, eds. (2016). "Busoa". Glottolog 2.7. Jena: Max Planck Institute for the Science of Human History.