Ummerkutty,A N P. (1980). Karimbu ,Kasumavu ,Rubber: Sugar cane ,Cashew ,Rubber. State institute of languages.
Chicago Edition CitationUmmerkutty,A N P. Karimbu ,Kasumavu ,Rubber: Sugar Cane ,Cashew ,Rubber. Trivandrum: State institute of languages, 1980.
MLA Edition CitationUmmerkutty,A N P. Karimbu ,Kasumavu ,Rubber: Sugar Cane ,Cashew ,Rubber. State institute of languages, 1980.
Warning: These citations may not always be 100% accurate.