Koues, J. M. a. . P. (2008). Leadership challenge (3 Edition.).
Chicago Edition CitationKoues, James M and Posner. Leadership Challenge. 3 Edition. John Wiely & Sons, New Delhi, 2008.
Cita MLAKoues, James M and Posner. Leadership Challenge. 3 Edition. 2008.
Atenció: Aquestes cites poden no estar 100% correctes.