Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"小沢, 章友 and 甘塩, コメコ",武田信玄と上杉謙信,,講談社,2015,講談社青い鳥文庫,,9784062854740,,https://cir.nii.ac.jp/crid/1130000794932933632