@Book{sitereport_64562, author = "新潟県立直江津高等学校社会部, ", title = "旗持城跡", volume = "", publisher = "新潟県立直江津高等学校社会部", year = 1987, series = "山城調査報告", number = "9", url = https://sitereports.nabunken.go.jp/64562, }