Ramachandran Nair,K. (1978). Mahakavi Ullurum malayala sahityavum. University of kerala.
Dyfyniad Arddull ChicagoRamachandran Nair,K. Mahakavi Ullurum Malayala Sahityavum. Trivendrum: University of kerala, 1978.
Dyfyniad MLARamachandran Nair,K. Mahakavi Ullurum Malayala Sahityavum. University of kerala, 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.