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
"Blake, John William","European beginnings in West Africa, 1454-1578 : a survey of the first century of white enterprise in West Africa, with special emphasis upon the rivalry of the Great Powers",,"Longmans, Green",1937,Imperial studies series,,,,https://cir.nii.ac.jp/crid/1130282271659956224