^Ake at Ethnologue (18th ed., 2015) (subscription required)
^Blench, Roger M. 2018. Nominal affixes and number marking in the Plateau languages of Central Nigeria. In John R. Watters (ed.), East Benue-Congo: Nouns, pronouns, and verbs, 107–172. Berlin: Language Science Press. doi:10.5281/zenodo.1314325