Marshall, G. P. (1980). Social goals and economic perspectives. London: Penguin Books.
शिकागो स्टाइल उद्धरणMarshall, G. P. Social Goals and Economic Perspectives. London: Penguin Books, 1980.
एमएलए उद्धरणMarshall, G. P. Social Goals and Economic Perspectives. London: Penguin Books, 1980.
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