Kouraogo, E. (2011). Bi Tirga. Langaa RPCIG.
Tohutoru Kātū Chicago (17th ed.)Kouraogo, Emmanuel. Bi Tirga. Bamenda [Camaroon]: Langaa RPCIG, 2011.
Tohutoro MLA (9th ed.)Kouraogo, Emmanuel. Bi Tirga. Langaa RPCIG, 2011.
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