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 "Library of Congress. Federal Research Division and Metz, Helen Chapin","Sudan, a country study",4th ed,"Washington, D.C. : Headquarters, Dept. of the Army : For sale by the Superintendent of Documents, U.S. Govt. Print. Off.",1992,Area handbook series,,084440750X,,https://cir.nii.ac.jp/crid/1130000795691099008