Cohen, William A.
The Art of the leader: excellent piece of work...can be of great assistance to those willing to make the.../William A. Cohen
Prentice-Hall, 1990
 Buku Teks SO
Clemens, John
Time mastery: how temporal intelligence will make you a stronger, more effective leader
American Management Association, 2005
 eBooks
Allen, Scott J.
The little book of leadership development : 50 ways to bring out the leader in every employee
American Management Association, 2011
 Buku Teks SO
Arvan Pradiansyah
You are a leader: menjadi pemimpin dengan memanfatkan potensi terbesar yang anda miliki, kekuatan memilih
Gramedia, 2005
 Buku Teks SO
Dewar, Donald L.
Leader manual and instructional guide
Quality Circle Institute , 1984
 Buku Teks