^Cabuang, Fred S. (September 6, 2007). "Saving Butuanon Language". The Manila Times. Archived from the original on 2007-10-15. Retrieved 2010-03-14.
^"Butuanon Language, Alphabet and Pronunciation". omniglot.com.
Further reading
Kobari, Yoshihiro (2009). The Current Status of the Butuanon Language and Its Speakers in Northern Mindanao: Findings on Ethnic Identity, Language Attitudes, Language Ability, Language Use, and Language Change (Ph.D. thesis). De La Salle University.
Kobari, Yoshihiro (2016). "The Game of Naming: A Case of the Butuanon Language and its Speakers in the Philippines" (PDF). Language and Linguistics in Oceania. 8: 1–21.