Pope, Rev G.U.
A handbook of the ordinary dialect of the Tamil language : part III
Clarendon Press, 1905
 Buku Referensi
Laser handbook; Vol. IV
editor, M.L. Stitch, Michael Bass
North-Holland, 1985
 Buku Referensi
Handbook on semiconductor : device physics; Vol. IV
editor, Cyril Hilsum
North-Holland, 1981
 Buku Referensi
Subbiah, Rama
An Introduction to written Tamil
Kuala Lumpur T.p.] 1967
 Buku Teks
Petyt, K.M.
The Study of dialect
Andre Deutsch, 1980
 Buku Teks