Landsberg, M. (2000). The tools of leadership. HarperCollinsBusiness.
Cita Chicago Style (17a ed.)Landsberg, Max. The Tools of Leadership. London: HarperCollinsBusiness, 2000.
Cita MLA (8a ed.)Landsberg, Max. The Tools of Leadership. HarperCollinsBusiness, 2000.
Precaución: Estas citas no son 100% exactas.