Staub, R. E. (1996). The heart of leadership: 12 practices of courageous leaders. Executive Excellence Publishing.
Citazione stile Chigago Style (17a edizione)Staub, Robert E. The Heart of Leadership: 12 Practices of Courageous Leaders. South Provo, Utah: Executive Excellence Publishing, 1996.
Citatione MLA (9a ed.)Staub, Robert E. The Heart of Leadership: 12 Practices of Courageous Leaders. Executive Excellence Publishing, 1996.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.