Cowan, Mary L.
Appleton-Century-Crofts, 1962
Buku Teks
Hitchcock, Michael, author
British Museum Press in association with the Centre for South-East Asian Studies, 1991
Buku Referensi
edited by Roy W. Hamilton
University of California, 1994
Buku Teks
Hauser-Schaublin, Brigitta, author
Periplus editions, 1991
Buku Referensi
Maxwell, Robyn, author
Tuttle Pub, 2003
Buku Teks