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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रattinger, ernst o. Health and Socioeconomic Change: Ernst O. Attinger, Dilip R. cairo: National Planning Institute, 1979.
एमएलए (9वां संस्करण) प्रशस्ति पत्रattinger, ernst o. Health and Socioeconomic Change: Ernst O. Attinger, Dilip R. National Planning Institute, 1979.