Talbot
Buku Teks
Coedes, George, author
Univesity of California Press, 1969
Buku Teks
edited by John A. Harrison
The University of Arizona Press, 1972
Buku Teks
Southworth, Franklin C., author
Routledge, 2005
Buku Teks
London : IP Publishing Ltd
Majalah, Jurnal, Buletin