Drucker, P. F. (1995). Managing in a time of great change. Butterworth-Heinemann.
Chicago Style (17th ed.) CitationDrucker, Peter Ferdinand. Managing in a Time of Great Change. Oxford: Butterworth-Heinemann, 1995.
MLA citiranjeDrucker, Peter Ferdinand. Managing in a Time of Great Change. Butterworth-Heinemann, 1995.
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