^Bati at Ethnologue (18th ed., 2015) (subscription required)
^Loski, Russell A. and Gail M. Loski (1989). "The languages indigenous to Eastern Seram and adjacent islands". In Wyn D. Laidig (ed.), Maluku (Workpapers in Indonesian Languages and Cultures, Vol. 6), 103-142. Ambon: Pattimura University and the Summer Institute of Linguistics.