@Book{sitereport_3793,
 author = "山田, 聡",
 title = "延岡城内遺跡",
 volume = "1",
 publisher = "延岡市教育委員会",
 year = 2002,
 series = "延岡市文化財調査報告書",
 number = "26",
 url = https://sitereports.nabunken.go.jp/3793,
 }