Drucker, P. F. (2008). Managing in a time of great change. Jaico Publishing House.
Chicago Style (17. basım) AtıfDrucker, Peter F. Managing in a Time of Great Change. Ahmedabad: Jaico Publishing House, 2008.
MLA (9th ed.) AtıfDrucker, Peter F. Managing in a Time of Great Change. Jaico Publishing House, 2008.
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