Hesselbein, F., & Cohen, P. M. (1999). Leader to leader: Enduring insights on leadership from the Drucker Foundation's award-winning journal. Jossey-Bass.
Citazione stile Chigago Style (17a edizione)Hesselbein, Frances, e Paul M. Cohen. Leader to Leader: Enduring Insights on Leadership from the Drucker Foundation's Award-winning Journal. San Francisco: Jossey-Bass, 1999.
Citatione MLA (8a ed.)Hesselbein, Frances, e Paul M. Cohen. Leader to Leader: Enduring Insights on Leadership from the Drucker Foundation's Award-winning Journal. Jossey-Bass, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.