Ratzan, Lee
Understanding information systems: what they do and why we need them
American Library Association, 2004
 Buku Teks SO
Duhigg, Charles
The power of habit: why we do what we do, and how to change
Heinemann, 2012
 Buku Teks SO
Gorton, Gary B.
Misunderstanding financial crises : why we don't see them coming
Oxford University Press, 2012
 Buku Teks SO
Road Funds: do we have strong reasons to apply them?
Jurnal Teknologi, 15 (2) Juni 2001 : 134-146 , 2001
 Artikel Jurnal
Fournies, Ferdinand
Why customers don't do what you want them to do: 24 solutions to overcoming common selling problems
McGraw-Hill, 2003
 Buku Teks SO