Ramanadham, V.V.
Asia Publishing House, 1963
Buku Teks
Artikel Jurnal
Raden Tedjohadisumarto
Djambatan, 1958
Buku Klasik
Ferguson, John Alexander
National Library of Australia, 1977
Buku Referensi
edited by A.S. Bhamhra, A.K. Chaudhary
Anmol Publications PVT, 1998
Buku Referensi