@Book{sitereport_64545,
 author = "新潟県上越市教育委員会, ",
 title = "国指定史跡春日山城跡保存管理計画書",
 volume = "",
 publisher = "新潟県上越市教育委員会",
 year = 2009,
 series = "",
 number = "",
 url = https://sitereports.nabunken.go.jp/64545,
 }