Drucker, P. F. (1980). Managing in turbulent times. London: Heinemann.
Chicago Style CitationDrucker, Peter F. Managing in Turbulent Times. London: Heinemann, 1980.
Cita MLADrucker, Peter F. Managing in Turbulent Times. London: Heinemann, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.