Gopalakrishnan Nair, R., & Kochugovindan Unni, A. K. (1972). Kozhivalarthal. State institute of languages.
Dyfyniad Arddull ChicagoGopalakrishnan Nair, R., and A K. Kochugovindan Unni. Kozhivalarthal. Trivandrum: State institute of languages, 1972.
Dyfyniad MLAGopalakrishnan Nair, R., and A K. Kochugovindan Unni. Kozhivalarthal. State institute of languages, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.