Barbara F. Grimes, Joseph E. Grimes, Malcolm D. Ross, Charles E. Grimes, Darrell T. Tryon: Listing of Austronesian languages. W: Darrell T. Tryon (red.): Comparative Austronesian Dictionary: An Introduction to Austronesian Studies. Berlin: Walter de Gruyter, 1995, s. 146, 257, seria: Trends in Linguistics. Documentation 10. DOI: 10.1515/9783110884012. ISBN 978-3-11-088401-2. OCLC868970232. (ang.).
David M.D.M.EberhardDavid M.D.M., Gary F.G.F.SimonsGary F.G.F., Charles D.Ch.D.FennigCharles D.Ch.D. (red.), Seko, [w:] Ethnologue: Languages of the World, wyd. 25, Dallas: SIL International, 2022 [dostęp 2022-08-06](ang.).
google.pl
books.google.pl
Barbara F. Grimes, Joseph E. Grimes, Malcolm D. Ross, Charles E. Grimes, Darrell T. Tryon: Listing of Austronesian languages. W: Darrell T. Tryon (red.): Comparative Austronesian Dictionary: An Introduction to Austronesian Studies. Berlin: Walter de Gruyter, 1995, s. 146, 257, seria: Trends in Linguistics. Documentation 10. DOI: 10.1515/9783110884012. ISBN 978-3-11-088401-2. OCLC868970232. (ang.).
sulang.org
David Mead: Budong-Budong. Sulawesi Language Alliance. [dostęp 2023-05-08]. (ang.).
worldcat.org
Barbara F. Grimes, Joseph E. Grimes, Malcolm D. Ross, Charles E. Grimes, Darrell T. Tryon: Listing of Austronesian languages. W: Darrell T. Tryon (red.): Comparative Austronesian Dictionary: An Introduction to Austronesian Studies. Berlin: Walter de Gruyter, 1995, s. 146, 257, seria: Trends in Linguistics. Documentation 10. DOI: 10.1515/9783110884012. ISBN 978-3-11-088401-2. OCLC868970232. (ang.).