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^Greenberg, Joseph H. 1957. "The problem of linguistic subgroupings", in Essays in Linguistics. Chicago: University of Chicago Press. Truy cập 1/04/2021.
^Hammarström, Harald; Forkel, Robert; Haspelmath, Martin, eds. (2020). "South Sulawesi". Glottolog 4.3. Jena, Germany: Max Planck Institute for the Science of Human History. Truy cập 1/04/2021.
Thư mục
Adelaar, K. A. (1994). “The Classification of the Tamanic Languages”. Trong Dutton, Tom; Tryon, Darrell T. (biên tập). Language Contact and Change in the Austronesian World (bằng tiếng Anh). Berlin: Mouton de Gruyter. tr. 1–42.
Mills, Roger Frederick (1975a). Proto South Sulawesi and Proto Austronesian Phonology (Ph.D. dissertation) (bằng tiếng Anh). University of Michigan. hdl:2027.42/157431.
Smith, Alexander D. (2017). “The Western Malayo-Polynesian Problem”. Oceanic Linguistics (bằng tiếng Anh). 56 (2): 435–490. doi:10.1353/ol.2017.0021.
Friberg, Barbara (1991). “Ergativity, Focus and Verb Morphology in Several South Sulawesi Languages”. Trong Harlow, Ray (biên tập). VICAL 2: Western Austronesian and Ccontact Languages, Parts I and II: Papers from the Fifth International Conference on Austronesian Linguistics (bằng tiếng Anh). Auckland: Linguistic Society of New Zealand.