Kaplan, Burton
Everything you need to know to talk your way to success
Prentice-Hall, 1995
 Buku Teks
Mortensen, Kurt W.
Maximum influence: the 12 universal laws of power persuasion
American Management Association, 2013
 eBooks
Reed, Scott
The miracle of psycho-command power: the new way to riches, love, and happiness
N.Y Parker Pub. Co., 1972
 Buku Teks
Scott, Steven K.
Menyingkap rahasia orang terkaya yang pernah hidup di muka bumi : meneladani rahasia kesuksesan, kekayaan dan kebahagiaan Raja Sulaiman di masa kini=The richest man who ever lived : King solomons secrets to success, wealth, and happiness / Steven K. Scott; alih bahasa, Abdul Qodir Shaleh
Think, 2006
 Buku Teks SO
Tracy, Brian
Change your thinking change your life : how to unlock your full potential for success and achievement
John Wiley & Sons, 2003
 Buku Teks