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 "Crane, Keith",The effect of employer sanctions on the flow of undocumented immigrants to the United States,,"Rand Corp.,Urban Institute,Distributed by University Press of America",1990,Urban Institute report,,0877665257,,https://cir.nii.ac.jp/crid/1130282272018302464