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 "El Qorchi, Mohammed and Maimbo, Samuel Munzele and Wilson, John F. and International Monetary Fund",Informal funds transfer systems : an analysis of the informal Hawala system,,International Monetary Fund,2003,Occasional paper,,1589062264,,https://cir.nii.ac.jp/crid/1130282270603267072