CSIS, 1991
Buku Referensi
Forsyth, Frederick, 1938-, author
Bantam Books, 1995
Buku Teks
Centre for Strategic and International Studies, 1991
Buku Teks
Centre for Strategic and International Studies, 1992
Buku Teks
Moore, John Norton, author
Oceana Publications , 1992
Buku Teks