Ezhuthachan Thunchathu & Karunakaran Nair P. (1997). Adhyatma Ramayanam: Kilippatu. Kerala Sahitya Academi.
Dyfyniad Arddull ChicagoEzhuthachan Thunchathu and Karunakaran Nair P. Adhyatma Ramayanam: Kilippatu. Thrissur: Kerala Sahitya Academi, 1997.
Dyfyniad MLAEzhuthachan Thunchathu and Karunakaran Nair P. Adhyatma Ramayanam: Kilippatu. Kerala Sahitya Academi, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.