@Book{sitereport_51850,
 author = "石橋, 充 and 広瀬, 季一郎",
 title = "史跡　小田城跡",
 volume = "",
 publisher = "つくば市教育委員会",
 year = 2003,
 series = "",
 number = "",
 url = https://sitereports.nabunken.go.jp/51850,
 }