Drucker, P. F. (1999). Managing for results: Economic tasks and risk-taking decisions (reissued.). Butterworth-Heinemann.
Chicago-Zitierstil (17. Ausg.)Drucker, Peter F. Managing for Results: Economic Tasks and Risk-taking Decisions. reissued. Oxford [u.a.]: Butterworth-Heinemann, 1999.
MLA-Zitierstil (9. Ausg.)Drucker, Peter F. Managing for Results: Economic Tasks and Risk-taking Decisions. reissued. Butterworth-Heinemann, 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.