Endangered Languages Catalogue Project. Compiled by research teams at University of Hawai'i Mānoa and Institute for Language Information and Technology (LINGUIST List) at Eastern Michigan University . (2012) ·

Ethnologue: Languages of the World, 16th Edition (2009) . (2009) · edited by M. Paul Lewis · SIL International http://www.ethnologue.com/

LL-MAP (Language and Location: A Map Accessibility Project) . Anthony Aristar and Helen Aristar-Dry and Yichun Xie (2012) · http://llmap.org

Languages of the Aramia River Area ( pp. 1-37 ) . Ger P. Reesink (1976) · In Papers in New Guinea Linguistics 19 Pacific Linguistics: Series A · Vol. 45 · Canberra: Research School of Pacific and Asian Studies, Australian National University

Godokono Hido Tabo: Aramia River Tabo Testament ( pp. 1062 ) . No Author Stated (2006) · Port Moresby: Bible Society of Papua New Guinea

Godokono Wade Tabo: Fly River Tabo New Testament ( pp. 1062 ) . No Author Stated (2006) · Port Moresby: Bible Society of Papua New Guinea

Language isolates in the New Guinea region . Harald Hammarström (2017) · In Language isolates edited by Lyle Campbell, Thomas Dougherty, and Alexander D. Smith · London: Routledge