Moore, Barrington
Harvard University Press, 1954
Buku Teks
Lenin, Vladimir I., author
Foreign Languanges Publishing House, [1967]
Buku Teks
Amalrik, Andrei, author
Harper and Row, 1980
Buku Teks
Ulam, Adam B.
Harvard University Press, 1963
Buku Teks
Webb, Sidney, author
Longman, 1947
Buku Teks