Cita APA (7th ed.)
Drucker, P. F. (2005). The daily drucker: 366 days of insight and motivation for getting the rights things done. (ed.). Amsterdam.
Cita Chicago (17th ed.)
Drucker, Peter F. The Daily Drucker: 366 Days of Insight and Motivation for Getting the Rights Things Done. ed. Butterworth-Heinemann: Amsterdam, 2005.
Cita MLA (9th ed.)
Drucker, Peter F. The Daily Drucker: 366 Days of Insight and Motivation for Getting the Rights Things Done. ed. Amsterdam, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.