Ratnakar, Pramesh
Tiger Books International, 1996
Buku Teks SO
Klostermaier, Klaus K.
Oneworld, [Date of publication not identified]
Buku Teks SO
edited by Gavin Flood
Blackwell, 2003
Buku Teks SO
Das, Rasamandala
Leicestershire Lorenz Books, 2012
Buku Referensi
Herman, A.L.
Westview Press, 1991
Buku Referensi