@book{
  author = "喜多山, 幸子",
  title = "中国語",
  year: 2007
  month: 6
  key = "中国語",
  publisher = "白水社",
  address = "東京",
  series = "ニューエクスプレス ;",
  ISSN/ISBN = "9784560003626 [4560003629]",
}