Krieger. Cameroon's Contemporary Culture and Politics: Prospects and Problems. Langaa RPCIG.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKrieger. Cameroon's Contemporary Culture and Politics: Prospects and Problems. Langaa RPCIG.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKrieger. Cameroon's Contemporary Culture and Politics: Prospects and Problems. Langaa RPCIG.
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