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/

World Oral Literature Project . http://www.oralliterature.org

Australia and the Pacific ( pp. 424-557 ) . Stephen A Wurm (2007) · In Encyclopedia of the World's Endangered Languages Routledge

Atlas of the World’s Languages in Danger . Christopher Moseley (ed.) (2010) · UNESCO Publishing http://www.unesco.org/culture/en/endangeredlanguages/atlas

The World Atlas of Language Structures . (2005) · edited by Bernard Comrie and David Gil and Martin Haspelmath and Matthew S. Dryer · Oxford University Press

Buma ( pp. 573-586 ) . Darrell Tryon (2002) · In The Oceanic Languages Curzon Language Family Series · edited by John Lynch and Malcolm Ross and Terry Crowley · Richmond: Curzon

Buma ( pp. 573-586 ) . Tryon, Darrell (2002) · In The Oceanic Languages edited by Lynch, John and Ross, Malcolm and Crowley, Terry · Curzon