Berkley, J. D. (2007). Leadership handbook of management and administration (Revised and Expanded ed.). Bakerbooks.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBerkley, James D. Leadership Handbook of Management and Administration. Revised and Expanded ed. Grand Rapids, Mich: Bakerbooks, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBerkley, James D. Leadership Handbook of Management and Administration. Revised and Expanded ed. Bakerbooks, 2007.
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