Cadwell, Charles M.
Leadership skills for managers
[American Management Association, ], 2004
 eBooks
Caroselli, Marlene
Leadership skills for managers / Marlene Caroselli
McGraw-Hill, 2000
 Buku Teks
Ellis, Carol W.
Management skills for new managers
[American Management Association, ], 2005
 eBooks
Ciampa, Dan
Right from the start: taking charge in a new leadership role / Dan Ciampa, Michael Watkins
Harvard Business School Press, 1999
 Buku Teks
Johansen, Bob
Leaders make the future : ten new leadership skills for an uncertain world
Berrett-Koehler, 2012
 Buku Teks