Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
Sri Lanka. Janalēkhana hā Saṅkhyālēkhana Depārtamēntuva,"Census of population and housing, Sri Lanka, 1981",,"Department of Census and Statistics, Ministry of Plan Implementation",1981,,,,,https://cir.nii.ac.jp/crid/1130282273337099392