1
by McWilliams
Published 1993
2
Published 1993
3
by Fox
Published 2008
4
by Chomsky
Published 2008
5
by Porter
Published 1984
6
7
Published 1990
8
Published 1992
9
Published 1992
10
by Huntington
Published 1991
11
Published 1993
12
13
by Brogan
Published 1992
14
Published 1992
15
by Nye
Published 1993
16
by Ray
Published 1992
17
by Clark, 1949-
Published 1989
18
19
by Keylor
Published 1992
20
by Mearsheimer
Published 2001