Centre for Strategic and International Studies, 1991
Buku Teks
Moore, John Norton
Oceana Publications , 1992
Buku Teks
West view Press, 1992
Buku Teks
Jureidini, Paul A.
Syracuse University Press, 1981
Buku Teks
Dam, Nikolaos van
Bulaaq, 1998
Buku Teks