Hesselbein, F., & Cohen, P. M. (1999). Leader to leader: Enduring insights on leadership from the Drucker Foundation's award-winning journal. Jossey-Bass.
Cita Chicago (17th ed.)Hesselbein, Frances, i Paul M. Cohen. Leader to Leader: Enduring Insights on Leadership from the Drucker Foundation's Award-winning Journal. San Francisco: Jossey-Bass, 1999.
Cita MLA (8th ed.)Hesselbein, Frances, i Paul M. Cohen. Leader to Leader: Enduring Insights on Leadership from the Drucker Foundation's Award-winning Journal. Jossey-Bass, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.