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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIndia, Lead. Rio, Johannesburg and Beyond: India's Progress in Sustainable Development. Orient Longman, 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIndia, Lead. Rio, Johannesburg and Beyond: India's Progress in Sustainable Development. Orient Longman, 2002.
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