Bowman, J. S. (2004). The Professional edge: Competencies in public service. M.E. Sharpe.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBowman, James S. The Professional Edge: Competencies in Public Service. Armonk, N.Y: M.E. Sharpe, 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBowman, James S. The Professional Edge: Competencies in Public Service. M.E. Sharpe, 2004.
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