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) ·

South America ( pp. 103-196 ) . Mily Crevels (2007) · In Atlas of the World's Endangered Languages edited by C. Moseley · London & New York: Routledge

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

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

Language endangerment in South America: The clock is ticking ( pp. 167-234 ) . Crevels, Mily (2012) · In The Indigenous Languages of South America: A Comprehensive Guide edited by Lyle Campbell and Veronica Grondona · Mouton de Gruyter

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

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

Diccionario nomatsiguenga-castellano castellano-nomatsiguenga ( pp. 327 ) . Shaver, Harold (1996) · Serie Lingüística Peruana · Vol. 41 · Ministerio de Educación and Instituto Lingüístico de Verano http://www.sil.org/americas/peru/html/pubs/show_work.asp?id=595

Los nomatsiguenga de la selva central ( pp. 134 ) . Shaver, Harold and Dodds, Lois (1990) · Comunidades y Culturas Peruanas · Vol. 24 · Ministerio de Educación and Instituto Lingüístico de Verano http://www.sil.org/americas/peru/html/pubs/show_work.asp?id=508

Identification of participants in discourse: a study of aspects of form and meaning in Nomatsiguenga . Mary Ruth Wise (1971) · Summer Institute of Linguistics: Publications in Linguistics · Vol. 28 · The Summer Institute of Linguistics and the University of Texas at Arlington