Geethamma, V. (2007). Polymer: Jeevanu, jeevithathinu, paristhithikku. DC Books.
Dyfyniad Arddull ChicagoGeethamma, V.G. Polymer: Jeevanu, Jeevithathinu, Paristhithikku. Kottayam: DC Books, 2007.
Dyfyniad MLAGeethamma, V.G. Polymer: Jeevanu, Jeevithathinu, Paristhithikku. DC Books, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.