Padmanabhan, P. (2007). Keralathile pakshikkoodukal. State Institute of Languages, Kerala.
Dyfyniad Arddull ChicagoPadmanabhan, P.V. Keralathile Pakshikkoodukal. Thiruvananthapuram: State Institute of Languages, Kerala, 2007.
Dyfyniad MLAPadmanabhan, P.V. Keralathile Pakshikkoodukal. State Institute of Languages, Kerala, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.