Cita APA

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

Chicago Style Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.