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
"Aaby, Peter",The state of Guinea-Bissau : African socialism or socialism in Africa?,,Scandinavian Institute of African Studies,1978,Research report,,9171061339,,https://cir.nii.ac.jp/crid/1130282273365029632