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 "Crush, J. S. and Southern African Migration Project",States of vulnerability : the future brain drain of talent to South Africa,,"Southern African Migration Project : Idasa,Southern African Research Centre, Queen's University",2006,Migration policy series,,9781920118075,,https://cir.nii.ac.jp/crid/1130000798072236928