Leontine E.L.E.VisserLeontine E.L.E., Foreign Textiles in Sahu Culture, [w:] MattiebelleM.Gittinger (red.), To Speak with Cloth: Studies in Indonesian Textiles, Los Angeles: Museum of Cultural History, University of California, 1989, s. 80–90, ISBN 978-0-930741-17-4, OCLC20970370 [dostęp 2022-12-31], Cytat: [...] of Buton, the island southeast of Sulawesi which was conquered and became part of the Ternate sultanate in 1580. Because of its strategic geographical position, Buton served as a major stopping place for military and merchant vessels, whence it got the name of “market” after the Ternate word butu for marketplace. (s. 84)(ang.).
René van denR.BergRené van denR., Muna Dialects and Munic Languages: Towards a Reconstruction, [w:] RayR.Harlow (red.), VICAL 2: Western Austronesian and contact languages, Parts 1–2: Papers from the Fifth International Conference on Austronesian Linguistics, Auckland: Linguistic Society of New Zealand, 1991, s. 21–51, ISBN 0-908928-00-9, OCLC59606647 [dostęp 2024-08-19](ang.).
Leontine E.L.E.VisserLeontine E.L.E., Foreign Textiles in Sahu Culture, [w:] MattiebelleM.Gittinger (red.), To Speak with Cloth: Studies in Indonesian Textiles, Los Angeles: Museum of Cultural History, University of California, 1989, s. 80–90, ISBN 978-0-930741-17-4, OCLC20970370 [dostęp 2022-12-31], Cytat: [...] of Buton, the island southeast of Sulawesi which was conquered and became part of the Ternate sultanate in 1580. Because of its strategic geographical position, Buton served as a major stopping place for military and merchant vessels, whence it got the name of “market” after the Ternate word butu for marketplace. (s. 84)(ang.).
René van denR.BergRené van denR., Muna Dialects and Munic Languages: Towards a Reconstruction, [w:] RayR.Harlow (red.), VICAL 2: Western Austronesian and contact languages, Parts 1–2: Papers from the Fifth International Conference on Austronesian Linguistics, Auckland: Linguistic Society of New Zealand, 1991, s. 21–51, ISBN 0-908928-00-9, OCLC59606647 [dostęp 2024-08-19](ang.).