Hughes, R. L. (1999). Leadership enchanging the lessons of experience. McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHughes, Richard L. Leadership Enchanging the Lessons of Experience. McGraw-Hill, 1999.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHughes, Richard L. Leadership Enchanging the Lessons of Experience. McGraw-Hill, 1999.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.