Sasidharan N & Rajagopalan E P. (1999). Kelu. Sahitya Pravartaka Co-operative Society.
Dyfyniad Arddull ChicagoSasidharan N and Rajagopalan E P. Kelu. Kottayam: Sahitya Pravartaka Co-operative Society, 1999.
Dyfyniad MLASasidharan N and Rajagopalan E P. Kelu. Sahitya Pravartaka Co-operative Society, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.