Sumner, C. The Proverb and Oral Society: Claude Sumner. Explorations in African political thought : identity, community, ethics.(2001).
Chicago Style (17. basım) AtıfSumner, Claude. "The Proverb and Oral Society: Claude Sumner." Explorations in African Political Thought : Identity, Community, Ethics.(2001) .
MLA (8th ed.) AtıfSumner, Claude. "The Proverb and Oral Society: Claude Sumner." Explorations in African Political Thought : Identity, Community, Ethics.(2001), .
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