Ajarananda, Swami
Thai Bidhaya Press, [date of publication not identified]
Buku Klasik
Hsu, Francis L.K., editor
Routledge & Kegan Paul Ltd , 1952.
Buku Teks
Hood, Daniel E.
Transaction, 2011
Buku Teks
edited by Felicitas Opwis and David Reisman
Brill, 2012
eBooks
Mithen, steven
Thames and Hudson, 1996
Buku Teks