Marx, Karl, 1818-1883, author
Foreign Languages Publishing House, 1955
Buku Teks
Raines, John C., author
Teraju, 2003
Buku Teks
Hughes, E.R., editor
Hutchinson's University Library, 1950
Buku Teks
Carritt, E. F.
At The Clarendon Press, 1935
Buku Teks
O dea, Thomas F.
Prentice-Hall, 1973
Buku Teks