Lua APA (7ú heag.)
Ndi, B. F. (2013). Vestiges. Langaa RPCIG.
Lua i Stíl Chicago (17ú heag.)
Ndi, Bill F. Vestiges. Oxford: Langaa RPCIG, 2013.
Lua MLA (9ú heag.)
Ndi, Bill F. Vestiges. Langaa RPCIG, 2013.
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