Krṣṇavāriyar, E. V. (1977). Vaḷḷattōḷinṯe kāvyaśilpaṃ: śailīvijñānaparamāya oru samīpanaṃ. Kēraḷa Sarvakalāśāla.
Dyfyniad Arddull ChicagoKrṣṇavāriyar, En. Vi. Vaḷḷattōḷinṯe Kāvyaśilpaṃ: śailīvijñānaparamāya Oru Samīpanaṃ. Tiruvanantapuraṃ: Kēraḷa Sarvakalāśāla, 1977.
Dyfyniad MLAKrṣṇavāriyar, En. Vi. Vaḷḷattōḷinṯe Kāvyaśilpaṃ: śailīvijñānaparamāya Oru Samīpanaṃ. Kēraḷa Sarvakalāśāla, 1977.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.