Drucker, P. F. (2008). Managing in a time of great change. Jaico Publishing House.
Cita Chicago (17th ed.)Drucker, Peter F. Managing in a Time of Great Change. Ahmedabad: Jaico Publishing House, 2008.
Cita MLA (9th ed.)Drucker, Peter F. Managing in a Time of Great Change. Jaico Publishing House, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.