Frieden, Jeffry A., author
Thomson Wadsworth, 2000
Buku Teks
Beck, Ulrich, author
Malden, MA :Polity Press, 2005
Buku Teks
Frieden, Jeffry A., author
Routledge, 1997
Buku Teks
Scott Frickel; Kelly Moore, editor
University of Wisconsin Press , 2006
Buku Teks
Barnett, A. Doak (Arthur Doak), author
Columbia University Press, 1967
Buku Teks