1
2
3
4
by Kishi, Nagami, 1945-
Published 1995
5
6
7
by Lamont, Douglas
Published 1997
8
by Blackman, Carolyn
Published 2000
9
by Trompenaars, Alfons
Published 2002
10
by Fick, David S.
Published 2002
11
12
by Pacetta, Frank
Published 1994
13
by Buzan, Tony
Published 2004
14
15
Published 2015
16
17
by Backman, Michael, 1967-
Published 2007