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
"Ghana, University of. Institute of Statistical. Social and Economic Research and Ewusi, Kodwo",Rural-urban and regional migration in Ghana,,"Institute of Statistical, Social, and Economic Research, University of Ghana",1977,Discussion paper,,,,https://cir.nii.ac.jp/crid/1130282272762537600