Kouzes, James M.
The leadership challenge
Jossey-Bass, 2002
 Buku Teks SO
Cadwell, Charles M.
Leadership skills for managers
[American Management Association, ], 2004
 eBooks
Jennings, Eugene E.
An anatomy of leadership : princes, heroes and supermen
McGraw-Hill, 1960
 Buku Teks
Kouzes, James M.
The leadership the challenge = tantangan kepemimpinan / James M. Kouzes
Erlangga, 2004
 Buku Teks SO
Ciampa, Dan
Right from the start: taking charge in a new leadership role
Harvard Business School Press, 1999
 Buku Teks SO