Baicoca-Siecoca
[también conocido como Bain Coca, Sieko Coca, Siona]Clasificación: Tucanoan
·con amenaza de extinción
Clasificación: Tucanoan
·con amenaza de extinción
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
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
"Documenting and describing Ecuadorian Siona" HRELP Abstract . Martine Bruil (2011) · http://www.hrelp.org/grants/projects/index.php?projid=229
Atlas of the World’s Languages in Danger . Christopher Moseley (ed.) (2010) · UNESCO Publishing http://www.unesco.org/culture/en/endangeredlanguages/atlas
Nominal classification without grammatical agreement: Evidence from Secoya . Rosa Vallejos (2021) · International Journal of American Linguistics.
Secoya . (2018) · In III Censo de Comunidades Nativas 2017 Resultados Definitivos edited by Lérida García Pizarro, Isabel Valladares Alcántara, Rómulo Cerda Martínez · https://www.inei.gob.pe/media/MenuRecursivo/publicaciones_digitales/Est/Lib1598/TOMO_01.pdf
Clause-typing and evidentiality in Ecuadorian Siona . Bruil, Martine (2014) · https://scholarlypublications.universiteitleiden.nl/handle/1887/23938