Ibu
Классификация: West Papuan
·в серьезной опасности
Классификация: West Papuan
·в серьезной опасности
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/
Atlas of the World’s Languages in Danger . Christopher Moseley (ed.) (2010) · UNESCO Publishing http://www.unesco.org/culture/en/endangeredlanguages/atlas
Australia and the Pacific ( pp. 424-557 ) . Stephen A Wurm (2007) · In Encyclopedia of the World's Endangered Languages Routledge
World Oral Literature Project . http://www.oralliterature.org