[1] 続日本紀 - Wikipedia (2/10/2020, 11:30:47 AM) https://ja.wikipedia.org/wiki/%E7%B6%9A%E6%97%A5%E6%9C%AC%E7%B4%80

[2] 續日本紀 - Wikisource (4/28/2020, 7:22:42 AM) https://zh.wikisource.org/wiki/%E7%BA%8C%E6%97%A5%E6%9C%AC%E7%B4%80?uselang=ja

[4] 1/6/2020, 7:24:02 PM, 3/1/2021, 9:50:28 AM http://www.kikuchi2.com/jodai/shokuall.html