APA aipamena

Drucker, P. F. (2009). Managing in a time of great change. Boston, Mass: Harvard Business Press.

Chicago Style aipamena

Drucker, Peter F. Managing in a Time of Great Change. Boston, Mass: Harvard Business Press, 2009.

MLA aipamena

Drucker, Peter F. Managing in a Time of Great Change. Boston, Mass: Harvard Business Press, 2009.

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