@Book{sitereport_100815,
 author = "竹田市教育委員会, ",
 title = "史跡岡城跡",
 volume = "17",
 publisher = "竹田市教育委員会",
 year = 2002,
 series = "平成13年度史跡岡城跡保存修理事業報告書",
 number = "",
 url = https://sitereports.nabunken.go.jp/100815,
 }