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
"De Silva, S. S. S. (Soma S. S.) and United Nations. Economic and Social Commission for Asia and the Pacific",Levels and trends of fertility in Sri Lanka : a district-level analysis,,"Economic and Social Commission for Asia and the Pacific,United Nations",1986,Asian population studies series,,,,https://cir.nii.ac.jp/crid/1130282269176798464