(1980). Statistical handbook of Kerala. Bureau, of economics and stastics.
Dyfyniad Arddull ChicagoStatistical Handbook of Kerala. Trivandrum: Bureau, of economics and stastics, 1980.
Dyfyniad MLAStatistical Handbook of Kerala. Bureau, of economics and stastics, 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.