Social Science Research Council Data Bank & University of Essex. Inventory. University of Essex.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSocial Science Research Council Data Bank और University of Essex. Inventory. Colchester, England: University of Essex.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSocial Science Research Council Data Bank और University of Essex. Inventory. University of Essex.
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