Cita APA

Drucker, P. F. (1980). Managing in turbulent times. London: Heinemann.

Chicago Style Citation

Drucker, Peter F. Managing in Turbulent Times. London: Heinemann, 1980.

Cita MLA

Drucker, Peter F. Managing in Turbulent Times. London: Heinemann, 1980.

Atenció: Aquestes cites poden no estar 100% correctes.