Cambridge University Press, 2004
Buku Teks
Hall, J. Oliver, author
America Book Company, 1958
Buku Teks
edited by Ross H. McLeod Andrew MacIntyre
ISEAS Publishing, 2007
Buku Teks
Carothers, Thomas
Carnegie Endowment for Int. Peace, 1999
Buku Teks
Bois, W.E.B. Du
Harcourt, Brace and Company, 1945
Buku Teks