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
"Ekwueme, Khrushchev","Protection of foreign investment in context : Nigeria's investment laws, treaties, and petroleum agreements",,Nomos,2007,Nomos Universitätsschriften,,9783832922337,,https://cir.nii.ac.jp/crid/1130000794273938944