Ethnologue: Languages of the World, 17th Edition (2013) . (2013) · edited by Paul M. Lewis; Gary F. Simons; and Charles D. Fennig · Dallas, Texas: SIL International http://www.ethnologue.com Ethnologue: Languages of the World, 17th Edition (2013)

Glottolog . http://www.glottolog.org/glottolog/

Woisika I: An Ethnographic Introduction . W. A. L. Stokhof (1977) · Pacific Linguistics: Series D · Vol. 19 · Canberra: Research School of Pacific and Asian Studies, Australian National University

Woisika 2: Phonemics . Stokhof, W. A. L. (1979) · Pacific Linguistics, Series B · Vol. 59 · Australian National University

Woisika Riddles . Stokhof, W. A. L. (1982) · Pacific Linguistics, Series D · Vol. 41 · Australian National University