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
"Thomas, Duncan and Muvandi, Ityai",How fast is fertility declining in Botswana and Zimbabwe?,,World Bank,1994,World Bank discussion papers,,0821329936,,https://cir.nii.ac.jp/crid/1130000798209589632