Parkhurst, Wiliam
How to Get publicity
Harper Business, 2000
Buku Teks
Volkema, Roger
Leverage: how to get it and how to keep it in any negotiation
American Management Association;, 2006
eBooks
Salmiah Alias
It?s how we see it : Malaysian anecdotes
Ameen Kreatif, 2011
Buku Teks
Sexton, John
How free are we? : what the constitution says we can and cannot do
M. Evans and Company, 1986
Buku Teks
Duhigg, Charles
The power of habit: why we do what we do, and how to change
Heinemann, 2012
Buku Teks