@book{ BB18311169,
  author    = "Grundy, Pamela and Rader, Benjamin G.",
  title     = "American sports : from the age of folk games to the age of televised sports",
  publisher = "Pearson",
  year      = "2015",
  edition   = "7th ed",
  URL       = "http://ci.nii.ac.jp/ncid/BB18311169"
}