@Book{sitereport_35833,
 author = "上地, 千賀子 and 渡久山, 清吉 and 島袋, 洋",
 title = "砂川元島",
 volume = "",
 publisher = "城辺町教育委員会",
 year = 1989,
 series = "城辺町文化財調査報告書",
 number = "4",
 url = https://sitereports.nabunken.go.jp/35833,
 }