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
"Concepción, Mercedes B. and Smith, Peter Colin",The demographic situation in the Philippines : an assessment in 1977,,East-West Center,1977,Papers of the East-West Population Institute,,,,https://cir.nii.ac.jp/crid/1130000794657938432