Lenin, Vladimir I., author
Foreign Languanges Publishing House, [1967]
Buku Teks
Bauer, Raymond A., author
Harvard University Press, 1952; 1959
Buku Teks
edited by Alexander Dallin, Gail W. Lapidus
Westerview Press, 1991
Buku Teks
Hough, Jerry F.
The Brookings Institution, 1980
Buku Teks
Frederick A, Praeger; George Allen and Unwin Ltd., 1964
Buku Teks