@book{ BC10855331,
  author    = "平沢, 和司 ",
  title     = "格差の社会学入門 : 学歴と階層から考える",
  publisher = "北海道大学出版会",
  year      = "2021",
  edition   = "第2版",
  URL       = "http://ci.nii.ac.jp/ncid/BC10855331"
}