Singh, Mohinder, author
Macmillan, 1978
Buku Teks
edited by Ian R. Swingland and Paul J. Greenwood
Clarendon Press, 1983
Buku Teks
Lenin, Vladimir I., author
Foreign Languages Publishing House, 1962
Buku Teks
Unger, Roberto Mangabeira
Harvard University Press, 1983
Buku Teks
Unger, Roberto Mangabeira
Harvard University Press, 1986
Buku Teks