SINGH A K. (2003). DEVELOPING LEADERS, TEAMS AND ORGANIZATIONS. EXCEL BOOK.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSINGH A K. DEVELOPING LEADERS, TEAMS AND ORGANIZATIONS. NEW DELHI: EXCEL BOOK, 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSINGH A K. DEVELOPING LEADERS, TEAMS AND ORGANIZATIONS. EXCEL BOOK, 2003.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.