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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNational Bureau of Economic Research, Inc ebrary, Jerry A. Hausman, और David A. Wise. Social Experimentation. Chicago: University of Chicago Press, 1985.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNational Bureau of Economic Research, et al. Social Experimentation. University of Chicago Press, 1985.
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