HUMPHREY, R. H. (2014). Effective leadership: Theory, cases, and applications. Sage Publications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHUMPHREY, Ronald H. Effective Leadership: Theory, Cases, and Applications. Sage Publications, 2014.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHUMPHREY, Ronald H. Effective Leadership: Theory, Cases, and Applications. Sage Publications, 2014.
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