Duhigg, Charles
The power of habit: why we do what we do, and how to change
Heinemann, 2012
 Buku Teks
King, MArtin Luthre
Why we can't wait / Martin Luthern King
Harper & Row pub, 1964
 Buku Teks
Hart, B. H. Liddell
Why don't we learn from history?/B.H Liddell Hart
George Allen and Unwin, 1946
 Buku Teks
Ratzan, Lee
Understanding information systems: what they do and why we need them
[American Library association, American Library association], 2004
 eBooks
Gorton, Gary B.
Misunderstanding financial crises : why we don't see them coming
Oxford University Press, 2012
 Buku Teks