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
"Berry, Sara","Cocoa, custom, and socio-economic change in rural western Nigeria",,Clarendon Press,1975,Oxford studies in African affairs,,0198216971,,https://cir.nii.ac.jp/crid/1130000797104950272