1
2
by Legrain, Philippe.
Published 2003
3
4
5
6
Published 2002
7
Published 2003
8
9
Published 2005
10
11
by Nye Jr.
Published 2004
12
by Moghadam, Valentine M.,1952
Published 2005
13
by Oosterveer, Peter
Published 2012
14
15
by Yergin, Daniel
Published 2011
16
Published 2002
17
Published 1999
18
by Leadbeater, Charles.
Published 2002
19
by Hutton, Will, 1950-
Published 2002
20