^Dano at Ethnologue (18th ed., 2015) (subscription required)
^Strange, David (April 1992). Upper Asaro (Dano) Language [ASO]. Organised Phonology Data: SIL.
^Strange, David (1973). Indicative and Subjunctive in Upper Asaro. Linguistics, Vol. 11, No. 110: De Gruyter, Mouton. pp. 82–97.{{cite book}}: CS1 maint: location (link)