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 Sri Lanka. Janalēkhana hā Saṅkhyālēkhana Depārtamēntuva,General characteristics of the population,,In-house reproduction,1975,"Jana saṅgaṇanaya, 1971 = Census of population, 1971",,,,https://cir.nii.ac.jp/crid/1130282269285848832