The classification of Bonjo has shifted over time. Ethnologue formerly classified it as a southern Gbaya language,[3] but as of the twenty-sixth edition has reclassified it as a Bantoid and member of the Ngondi–Ngiri family.[4] Some sources continue to list it as a southern Gbaya language.[5]
^Gordon, Raymond G., Jr. (ed.), 2005. Ethnologue: Languages of the World, Fifteenth edition. Dallas, Texas: SIL International. Online version: http://www.ethnologue.com/15.
^Eberhard, David M., Gary F. Simons, and Charles D. Fennig (eds.). 2023. Ethnologue: Languages of the World. Twenty-sixth edition. Dallas, Texas: SIL International. https://www.ethnologue.com/language/bok/
^"Bonjo". Endangered Language Project. Retrieved 26 May 2023.