Wriggins, W. H. (1980). Reducing blobal inequities. McGraw-Hill.
शिकागो स्टाइल उद्धरणWriggins, W Howard. Reducing Blobal Inequities. New York: McGraw-Hill, 1980.
एमएलए उद्धरणWriggins, W Howard. Reducing Blobal Inequities. McGraw-Hill, 1980.
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