Manning, G. (2019). The art of leadership (Sixth edition.). McGraw-Hill Education.
Stile di citazione ChicagoManning, George. The Art of Leadership. Sixth edition. New York, New York: McGraw-Hill Education, 2019.
Citazione MLAManning, George. The Art of Leadership. Sixth edition. McGraw-Hill Education, 2019.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.