Ghillyer, Andrew W.
Business ethics: a real world approach
McGGraw-Hill Higher education, 2008
 Buku Teks
Branson, Richard
Screw it, let's do it. expanded : lessons in life and business
Virgin Books, 2007
 Buku Teks
Swartz, Greg
Leadership lessons: 10 keys to success in life and business
American Society for Training & Development, 2008
 eBooks
Hudson, William J.
Executive economics forecasting and planning for the real world of business
John Wiley & Sons, 1993
 Buku Teks
Sharma, Robin
The Leader who had no title : a modern fable on real success in business and in life
Free Press, 2010
 Buku Teks