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 "Maret, Xavier and Schwartz, Gerd and Chu, Ke-young and Nashashibi, Karim",Poland : the social safety net during the transition,,International Monetary Fund,1993,IMF working paper,,,,https://cir.nii.ac.jp/crid/1130000798089926144