Dyfyniad APA
Drucker, P. F. (2005). The daily drucker: 366 days of insight and motivation for getting the rights things done. (ed.). Amsterdam.
Dyfyniad Arddull Chicago
Drucker, Peter F. The Daily Drucker: 366 Days of Insight and Motivation for Getting the Rights Things Done. ed. Butterworth-Heinemann: Amsterdam, 2005.
Dyfyniad MLA
Drucker, Peter F. The Daily Drucker: 366 Days of Insight and Motivation for Getting the Rights Things Done. ed. Amsterdam, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.