Gill, R. (2012). Theory and Practice of Leadership (2nd ed.). SAGE Publications India Pvt. Ltd.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGill, Roger. Theory and Practice of Leadership. 2nd ed. New Delhi: SAGE Publications India Pvt. Ltd, 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGill, Roger. Theory and Practice of Leadership. 2nd ed. SAGE Publications India Pvt. Ltd, 2012.
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