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
"Petersen, Sandy and Willis, Lynn and Fricker, Paul and Mason, Mike and Lovecraft, H. P. (Howard Phillips)",Keeper rulebook,"Rev. 7th ed. / collaboration between, Paul Fricker and Mike Mason",Chaosium,2020,Chaosium Publication,,9781568824307,,https://cir.nii.ac.jp/crid/1130296408850472220