World Anti-Communist League, 1987
Buku Teks
Galkin, K.
Foreign Languages Publishing House , 1959
Buku Teks
Galkin, K.
Foreign Languages Publishing House, 1959
Buku Teks
Spector, Ivar
Universtity of Washington Press, 1958
Buku Teks
Borkenau, Franz
University of Michigan Press, 1962
Buku Teks