Kofman, Fred
Conscious business: how to build value through values
Sounds True , 2006
 Buku Teks
Reynolds, Russell S., Jr.
Heads : business lessons from an executive search pioneer
McGraw-Hill, 2012
 Buku Teks
The book of business wisdom: classic writtings by the legends of commerce and industry
edited by Peter Krass
John Wiley & Sons, 1997
 Buku Teks
Langford, Beverly Y.
The etiquette edge: the unspoken rules for business success
American Management Association, 2005
 eBooks
Golden rules for business success / Winning by Master Tao Zhugong
Asiapac Books, 2002
 Buku Teks