Govindapillai, P. (2009). Kerala navodhanam: Yugasandhadhikal yugasilpikal: munnam sanchika. Chintha.
Dyfyniad Arddull ChicagoGovindapillai, P. Kerala Navodhanam: Yugasandhadhikal Yugasilpikal: Munnam Sanchika. Thiruvananthapuram: Chintha, 2009.
Dyfyniad MLAGovindapillai, P. Kerala Navodhanam: Yugasandhadhikal Yugasilpikal: Munnam Sanchika. Chintha, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.