著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL
"Retnamma, K.",A linguistic study of early Manipravalam,,"Dravidian Linguistics Association, Dept. of Linguistics, University of Kerala",1976,DLA publication,,,,https://cir.nii.ac.jp/crid/1130282269945165696