@Book{sitereport_100610,
 author = "大分市教育委員会, ",
 title = "大友館跡",
 volume = "1",
 publisher = "大分市教育委員会",
 year = 2000,
 series = "",
 number = "",
 url = https://sitereports.nabunken.go.jp/100610,
 }