Hsu, Francis L.K.
Routledge & Kegan Paul, 1952
Buku Teks SO
Ajarananda, Swami
Thai Bidhaya Press, [Date of publication not identified]
Buku Klasik
Dampier, William Cecil
Cambridge University Press, 1989
Buku Teks SO
Mithen, Steven
Thames and Hudson, 1996
Buku Teks
Hood, Daniel E.
Transaction, 2011
Buku Teks SO