^ abBlench, Roger (2019). An Atlas of Nigerian Languages (4th ed.). Cambridge: Kay Williamson Educational Foundation.
Bibliography
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Adelberger, J. & Kleinewillinghöfer, U., 2016 A Kulung Vocabulary compiled by the missionary Ira McBride" Arbeitspapiere des Instituts für Ethnologie und Afrikastudien der Johannes Gutenberg-Universität Mainz (Working Papers of the Department of Anthropology and African Studies of the Johannes Gutenberg University Mainz) 167.