Sumner, C. The Proverb and Oral Society: Claude Sumner. Explorations in African political thought : identity, community, ethics.(2001).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSumner, Claude. "The Proverb and Oral Society: Claude Sumner." Explorations in African Political Thought : Identity, Community, Ethics.(2001) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रSumner, Claude. "The Proverb and Oral Society: Claude Sumner." Explorations in African Political Thought : Identity, Community, Ethics.(2001), .
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