1
by Pearson, Frederic S.
Published 1992
2
by Holsti, K.J, 1935-
Published 1992
3
by Rosenau, James N.
Published 2006
4
5
by Roskin, Michael G.
Published 1993
6
by Walker, R. B. J.
Published 1993
7
by Scholte, Jan Aart
Published 1993
8
Published 1991
9
Published 1992
10
by Toma, Peter A.
Published 1990
11
12
by Khor, Martin
Published 2000
13
by Jervis, Robert, 1940-
Published 1989
14
by Goldstein, Joshua S.
Published 1994
15
Published 1994
16
by Marsh, Steve, 1967-
Published 2005
17
Published 2007
18
by Nye, Joseph S.
Published 2007
19
by Rourke,John T
Published 2004
20
Published 1989