@Book{sitereport_67942,
 author = "日本城郭研究センター姫路市立城郭研究室, ",
 title = "内京口門",
 volume = "",
 publisher = "姫路市都市局城周辺整備事務所",
 year = 1997,
 series = "特別史跡姫路城跡 : 石垣修理工事報告書",
 number = "5",
 url = https://sitereports.nabunken.go.jp/67942,
 }