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
"Okun, Daniel Alexander and Ernst, Walter R.",Community piped water supply systems in developing countries : a planning manual,,World Bank,1987,World Bank technical paper,,0821308963,,https://cir.nii.ac.jp/crid/1130000796165885440