Pankajakshan ,M R. (1989). Vayanattile Adivasikalude Pattukal. Kerala sahithya academy.
Dyfyniad Arddull ChicagoPankajakshan ,M R. Vayanattile Adivasikalude Pattukal. Trichur: Kerala sahithya academy, 1989.
Dyfyniad MLAPankajakshan ,M R. Vayanattile Adivasikalude Pattukal. Kerala sahithya academy, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.