Maxwell, J. C. (1999). The 21 indispensable qualities of a leader: Becoming the person others will want to follow. T. Nelson.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMaxwell, John C. The 21 Indispensable Qualities of a Leader: Becoming the Person Others Will Want to Follow. Nashville, TN: T. Nelson, 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMaxwell, John C. The 21 Indispensable Qualities of a Leader: Becoming the Person Others Will Want to Follow. T. Nelson, 1999.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.