Kouega, Jean-Paul (2007). "The Language Situation in Cameroon". Current Issues in Language Planning. 8 (1): 3–94. doi:10.2167/cilp110.0. S2CID143923073.
"Cameroon". www.nationsencyclopedia.com. Retrieved 12 November 2016.
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Kouega, Jean-Paul (2007). "The Language Situation in Cameroon". Current Issues in Language Planning. 8 (1): 3–94. doi:10.2167/cilp110.0. S2CID143923073.