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",Area handbook for Nigeria,[3rd ed.],"For sale by the Superintendent of Documents, U.S. Government Printing Office",1972,DA pam,,,,https://cir.nii.ac.jp/crid/1130282270946683392