Pritchard, Earl H.
Urbana University of Illinois 1930
Buku Teks
Bassett, D.K.
Centre for South-East Asian Studies, 1980
Buku Teks
Futura , 1983
Buku Teks
Hall, D.G.E.
Macmilan, 1955
Buku Teks
Coedes, George
Univesity of California Press, 1969
Buku Teks