Kaplan, Robert D., author
Westview Press, 1988
Buku Teks
Dulles, Allen
Harper & Row Publishers, 1966
Buku Teks
Kecskemeti, Paul, author
Stanford University Press, 1958
Buku Teks
Churchill, Winston, Sir, 1874-1965, author
Harcourt, Brace & World, 1962
Buku Teks
Pak, Wan-so, 1931-2011, author
Segyesa, 1993
Buku Teks