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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रebrary, Inc, Frederick J. Manning, Michael G. H. McGeary, और Ronald W. Estabrook. NIH Extramural Center Programs: Criteria for Initiation and Evaluation. Washington, DC: National Academies Press, 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्रebrary, Inc, et al. NIH Extramural Center Programs: Criteria for Initiation and Evaluation. National Academies Press, 2004.
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