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 "Nelson, Harold D. and American University (Washington, D.C.). Foreign Area Studies","Nigeria, a country study",4th ed,"For sale by the Supt. of Docs., U.S. G.P.O.",1982,Area handbook series,,,,https://cir.nii.ac.jp/crid/1130282272502015872