Ravivarma,RT. (2004). Kanakam Vilayikunna Karmayogikal (2.). State Institute of Languages.
Dyfyniad Arddull ChicagoRavivarma,RT. Kanakam Vilayikunna Karmayogikal. 2. Thiruvananthapuram: State Institute of Languages, 2004.
Dyfyniad MLARavivarma,RT. Kanakam Vilayikunna Karmayogikal. 2. State Institute of Languages, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.