著者名,タイトル,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Deaton,Understanding PPPs and PPP-based national accounts,American Economic Journal: Macroeconomics,,,2010,2,,1,https://cir.nii.ac.jp/crid/1370004230140129410,