Brzezinski, Zbigniev K., author
Collier Books, 1990
Buku Teks
Brzezinski, Zbigniev K., author
Chartes Scribner's, 1989
Buku Teks
Gorbachev, Mikhail, author
I.B. Tauris, 2005
Buku Teks
edited by Jack A. Goldstone, Ted Robert Gurr, Farrokh Moshiri
Westview Press, 1991
Buku Teks
Varga, Eugen, 1879-1964, author
Foreign Languages Publishing House, 1961
Buku Teks