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
"Ben-Ami, Aharon",Social change in a hostile environment : the crusaders' Kingdom of Jerusalem,,Princeton University Press,1969,Princeton studies on the Near East,,,,https://cir.nii.ac.jp/crid/1130000795677533184