Shanmugham,S V. (1995). Leelathilakam: Samoohika bhashasastradristiyil : a socilengustic approach. State institute of languages.
Dyfyniad Arddull ChicagoShanmugham,S V. Leelathilakam: Samoohika Bhashasastradristiyil : A Socilengustic Approach. Thiruvananthapuram: State institute of languages, 1995.
Dyfyniad MLAShanmugham,S V. Leelathilakam: Samoohika Bhashasastradristiyil : A Socilengustic Approach. State institute of languages, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.