National Archives of Malaysia, 2005
Buku Referensi
Taquet, Philippe
Cambridge University Press , 1998
Buku Teks
Kwon, Hyok-hui, author
Minumsa, 2005
Buku Teks
Liebert, Robert M., 1942-, author
Pergamon Press, 1982
Buku Teks
Wright, Richard
The Library of America, 1991
Buku Teks