Dyfyniad APA

Cohen, W. A. (2010). Drucker on leadership: New lessons from the father of modern management. Jossey-Bass.

Dyfyniad Arddull Chicago

Cohen, William A. Drucker on Leadership: New Lessons from the Father of Modern Management. San Francisco: Jossey-Bass, 2010.

Dyfyniad MLA

Cohen, William A. Drucker on Leadership: New Lessons from the Father of Modern Management. Jossey-Bass, 2010.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.