McCauley, Martin
Longman, 1993
Buku Teks
Munich : Institute for the Study of the USSR
Majalah, Jurnal, Buletin
Valkenier, Elizabeth Kridl
Frederick A. Praeger, 1983
Buku Teks
edited by Kinya Niiseki
Westview Press, 1987
Buku Teks
Henderson, William Darryl
National Defense University Press , 1985
Buku Teks