@book{
  author = "王, 力(1900-1986)",
  title = "怎样学习普通话",
  year: 2014
  month: 3
  publisher = "中华书局",
  address = "北京",
  series = "王力全集 / 王力著 ; 第16卷",
  ISSN/ISBN = "9787101098983 [7101098983]",
}