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 "Chŏng, Kyŏng-hŭi and Han'guk Pogŏn Sahoe Yŏn'guwŏn",Living profiles of older persons and social policies on ageing in Korea,,Korea Institute for Health and Social Affairs,1999,Working paper,,8981871698,,https://cir.nii.ac.jp/crid/1130282271818206592