Gronbach, Kenneth W.
The age curve: how to profit from the coming demographic storm
American Management Association, 2008
 eBooks
Garland, Eric
Future, inc.: how businesses can anticipate and profit from what's next
American Management Association, 2007
 eBooks
Leeb, Stephen
Game over: how you can prosper in a shattered economy
Business Plus, 2009
 Buku Teks
Groopman, Jerome
The anatomy of hope: how you can find strength in the face of illness
Pocket Books, 2004
 Buku Teks
Mangieri, John N.
Power Thinking: how the way you think can change the way you lead
John Wiley & Sons, Inc, 2004
 Buku Teks