Pluvier, Jan M., author
Oxford University Press, 1977
Buku Teks
edited by Clauspeter Hill, Jochen Hoerth
Konrad-Adenauer-Stiftung, 2008
Buku Teks
Coedes, George, author
Univesity of California Press, 1969
Buku Teks
London : IP Publishing Ltd
Majalah, Jurnal, Buletin
Hall, D.G.E., author
Macmillan, 1970
Buku Teks