Inyang, E. (2011). Silent voices. Langaa RPCIG.
Tohutoru Kātū Chicago (17th ed.)Inyang, Ekpe. Silent Voices. Bamenda [Cameroon]: Langaa RPCIG, 2011.
Tohutoro MLA (9th ed.)Inyang, Ekpe. Silent Voices. Langaa RPCIG, 2011.
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