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Lua i Stíl Chicago (17ú heag.)Yenshu, Emmanuel. State of a Union: The Half Century of Cameroon's Bicultural Experience. Bamenda, Cameroon: Langaa RPCIG, 2012.
Lua MLA (9ú heag.)Yenshu, Emmanuel. State of a Union: The Half Century of Cameroon's Bicultural Experience. Langaa RPCIG, 2012.
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