1
by Trompenaars, Alfons
Published 2002
2
by Ainon Mohd, 1950-
Published 2003
3
by Blank, Warren
Published 2001
4
by Lim, Ghee Soon, 1961-
Published 2004
5
by Adair, John Eric, 1934-
Published 1989
6
by Arnold, Frank.
Published 2012
7
by Goleman, Daniel
Published 2002
8