@Book{sitereport_97301,
 author = "萩市歴史まちづくり部文化財保護課, ",
 title = "史跡萩城跡(外堀)",
 volume = "",
 publisher = "山口県萩市歴史まちづくり部文化財保護課",
 year = 2011,
 series = "萩市埋蔵文化財調査報告",
 number = "7",
 url = https://sitereports.nabunken.go.jp/97301,
 }