World Peace Foundation, 1951
Buku Teks
edited by William E. Griffith
Lexington Books, 1976
Buku Teks
Dean, Vera Micheles, author
Harvard University Press, 1948
Buku Teks
Kennan, George F., 1904-, author
Pantheon Books, 1983
Buku Teks
Petrov, Vladimir, author
American Institute fo Public Research, 1975
Buku Teks