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 "Haghighi, Sanam S",Energy security : the external legal relations of the European Union with major oil- and gas-supplying countries,,Hart,2007,Modern studies in European law,,9781841137285,,https://cir.nii.ac.jp/crid/1130282268748902528