Denisov, A., author
Foriegn Language, 1960
Buku Teks
Grigoryan, L., author
Progress Publishers, 1971
Buku Teks
general editor, Andrei Y. Vyshinsky; translated from the Russian by Hugh W. Babb. Introd. by John N. Hazard
Macmillan, 1954
Buku Teks
edited by P.S. Romashkin
Foreign Laguage Publishing House, 1976
Buku Teks
Clubb, Oliver E., Jr.
The Brookings Institution, 1966
Buku Teks