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 International Monetary Fund,Bulgaria : 2000 article IV consultation and fifth review under the extended arrangement--staff report; staff statement; public information notice and news brief on the executive board discussion; and statement by the authorities of Bulgaria,,International Monetary Fund,2001,Country report,,,,https://cir.nii.ac.jp/crid/1130282268773821568