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 "Williams, Robert E. and Janus, Peter A. and Huhn, Kenneth C.",NLRB regulation of election conduct : a study of the National Labor Relations Board's policies and standards for setting aside representation elections based on postelection objections,,"Industrial Research Unit, Wharton School, University of Pennsylvania",1974,Labor relations and public policy series,,0812290844,,https://cir.nii.ac.jp/crid/1130000794320157952