Drucker, P. F. (1986). Managing for results: Economic tasks and risk-taking decisions (1st Perennial Library ed.). Perennial Library.
Chicago-Zitierstil (17. Ausg.)Drucker, Peter F. Managing for Results: Economic Tasks and Risk-taking Decisions. 1st Perennial Library ed. New York: Perennial Library, 1986.
MLA-Zitierstil (8. Ausg.)Drucker, Peter F. Managing for Results: Economic Tasks and Risk-taking Decisions. 1st Perennial Library ed. Perennial Library, 1986.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.