Sumba Barat DalamAngka . BPS Sumba Barat (2008) ·

Coevolution of languages and genes on the island of Sumba, eastern Indonesia ( pp. 16022-16026 ) . Lansing , J. Stephen Proceedings of the National Academy of Sciences of the United States of America. 104 (41) ·

Ethnologue: Languages of the World, 18th Edition . (2015) · edited by Lewis, M. Paul, Gary F. Simons, and Charles D. Fennig · SIL International http://www.ethnologue.com

Glottolog 2.3 . Hammarström, Harald & Forkel, Robert & Haspelmath, Martin & Nordhoff, Sebastian (2014) · http://glottolog.org