Hauser-Schaublin, Brigitta
Periplus editions, 1991
Buku Referensi
edited by P.V. Vidyasagar
Mittal Publications, 2000
Buku Referensi
Hitchcock, Michael
British Museum Press in association with the Centre for South-East Asian Studies, 1991
Buku Referensi
Palmer, Ingrid
Praeger, 1972
Buku Teks
Evans, Mary
Prentice-Hall, 1949
Buku Teks