ebrary, Inc, & Powell, J. L. (2012). Understanding the voluntary sector: Critical success factors : a case study. Nova Science Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रebrary, Inc, और Jason L. Powell. Understanding the Voluntary Sector: Critical Success Factors : A Case Study. New York: Nova Science Publishers, 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्रebrary, Inc, और Jason L. Powell. Understanding the Voluntary Sector: Critical Success Factors : A Case Study. Nova Science Publishers, 2012.
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