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 "Genov, Nikolaĭ and Krasteva, Anna",Recent social trends in Bulgaria 1960-1995,,McGill-Queen's University Press,2001,Comparative charting of social change,,0773520228,,https://cir.nii.ac.jp/crid/1130000798102341504