Gill, R. (2011). Theory and practice of leadership (2nd ed.). Sage.
शिकागो स्टाइल उद्धरणGill, Roger. Theory and Practice of Leadership. 2nd ed. Los Angeles: Sage, 2011.
एमएलए उद्धरणGill, Roger. Theory and Practice of Leadership. 2nd ed. Sage, 2011.
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