Lefton, R. (2004). Leadership through people skills. TMH.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLefton, Robert. Leadership Through People Skills. New Delhi: TMH, 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLefton, Robert. Leadership Through People Skills. TMH, 2004.
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