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 "Oliva, Maria-Angels and International Monetary Fund. Middle Eastern Dept",Estimation of trade protection in Middle East and North African countries,,International Monetary Fund,2000,IMF working paper,,,,https://cir.nii.ac.jp/crid/1130282271936406912