伊藤穰一のウェブ

Ito, J. (1999, 2月 8日). ＮＴＴ　Ｄｏｃｏｍｏ. 伊藤穰一のウェブ [Blog post]. https://joi.ito.com/jp/archives/1999/02/09/002458.html

Ito, Joichi. “ＮＴＴ　Ｄｏｃｏｍｏ.” 伊藤穰一のウェブ, 8 1999年2月 https://joi.ito.com/jp/archives/1999/02/09/002458.html. Accessed 22 May 2026

Ito, Joichi. “ＮＴＴ　Ｄｏｃｏｍｏ.” 伊藤穰一のウェブ (Blog), 1999年2月 8日, https://joi.ito.com/jp/archives/1999/02/09/002458.html

Ito, J. (1999). ＮＴＴ　Ｄｏｃｏｍｏ. 伊藤穰一のウェブ. https://joi.ito.com/jp/archives/1999/02/09/002458.html

Ito J. ＮＴＴ　Ｄｏｃｏｍｏ. 伊藤穰一のウェブ [Internet]. 1999 2月 8日; Available from: https://joi.ito.com/jp/archives/1999/02/09/002458.html

@online{Ito1999ＮＴＴＤｏｃｏｍｏ,
  author  = {Ito, Joichi},
  title   = {{ＮＴＴ　Ｄｏｃｏｍｏ}},
  journal = {伊藤穰一のウェブ},
  type    = {Blog},
  url     = {https://joi.ito.com/jp/archives/1999/02/09/002458.html},
  urldate = {2026-05-22},
  date    = {1999-02-08},
  year    = {1999},
  month   = {2},
  day     = {8}
}