Quechua, Chachapoyas: A language of Peru. Raymond G. Gordon Jr. (ed.), 2005: Ethnologue: Languages of the World, Fifteenth edition. Dallas, Texas: SIL International.
Quechua, Chachapoyas: A language of Peru. M. Paul Lewis, Gary F. Simons, Charles D. Fennig (Hrsg.), 2014 (17. Ausg.): Ethnologue: Languages of the World, Seventeenth edition. Dallas, Texas: SIL International.
Quechua, Chachapoyas: A language of Peru. David M. Eberhard, Gary F. Simons, Charles D. Fennig (Hrsg.), 2019 (22. Ausg.): Ethnologue: Languages of the World. Twenty-second edition. Dallas, Texas: SIL International. Language Use: Used by all. Also use Spanish [spa].