Black belt negotiating: become a master negotiator using powerful lessons from the martial arts
Michael Soon Lee with Sensei Grant Tabuchi
American Management Association, 2007
 eBooks
Scott, Gini Graham
30 days to a more powerful memory
American Management Association, 2007
 eBooks
The living talmud: the wisdom of the fathers
translated by Judah Goldin
New American Library, 1957
 Buku Teks SO
Smith, Jim
From average to awesome: lessons for living an extraordinary life
American Society for Training & Development, 2008
 eBooks
Shaw-Ros Byam
Living with arts & crafts
Hongkong : Page One Publishing, 2004,
 Buku Referensi