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
"Collelo, Thomas and Nelson, Harold D. and Library of Congress. Federal Research Division","Chad, a country study",2nd ed,"For sale by the Supt. of Docs., U.S. G.P.O.",1990,Area handbook series,,,,https://cir.nii.ac.jp/crid/1130282270599680000