@Book{sitereport_83860,
 author = "前原町教育委員会, ",
 title = "史跡怡土城跡保存管理計画策定報告書",
 volume = "",
 publisher = "前原町教育委員会",
 year = 1979,
 series = "",
 number = "",
 url = https://sitereports.nabunken.go.jp/83860,
 }