[1] Google サイト運営者タグの概要 - DoubleClick for Publishers ヘルプ (2018-04-04 00:18:39 +09:00) <https://support.google.com/dfp_premium/answer/181073?hl=ja>
[2] GPT Reference | Google Publisher Tag | Google Developers (2018-02-14 06:49:40 +09:00) <https://developers.google.com/doubleclick-gpt/reference>