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
"Michigan State University. Dept. of Agricultural Economics. African Rural Economy Program and Byerlee, Derek and Tommy, Joseph L. and Fatoo, Habib",Rural-urban migration in Sierra Leone : determinants and policy implications,,"African Rural Economy Program, Dept. of Agricultural Economics, Michigan State University",1976,African rural economy paper,,,,https://cir.nii.ac.jp/crid/1130282272159135360