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
Philippines. National Census and Statistics Office,"Philippines 1980 : population, land area, and density : 1970, 1975, and 1980",,Republic of the Philippines. National Economic and Development Authority. National Census and Statistics Office,,Special report,,,,https://cir.nii.ac.jp/crid/1130282270708469632