Drucker, P. F. (2009). Managing in a time of great change. Boston, Mass: Harvard Business Press.
Chicago Style CitationDrucker, Peter F. Managing in a Time of Great Change. Boston, Mass: Harvard Business Press, 2009.
MLA CitationDrucker, Peter F. Managing in a Time of Great Change. Boston, Mass: Harvard Business Press, 2009.
Warning: These citations may not always be 100% accurate.