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
Commonwealth Observer Group and Commonwealth Secretariat,The National Assembly and presidential elections in Nigeria : 12 and 19 April 2003,,Commonwealth Secretariat,2006,Commonwealth Observer reports,,9780850927863,,https://cir.nii.ac.jp/crid/1130000795330905984