"Tea"互联网档案馆的存檔,存档日期14 August 2011.. Online Etymology Dictionary. Retrieved 29 June 2012.
Online Etymology Dictionary 「tea」詞義. [2021-03-14]. (原始内容存档于2012-01-11) (English quote=The Portuguese word (attested from 1550s) came via Macao; and Rus. chai、Pers. cha、Gk. tsai、Arabic shay及and Turk. çay all came overland from the Mandarin form.). 引文格式1维护:未识别语文类型 (link)
fao.org
Cutch and catechu plant origin. Food and Agriculture Organization of the United Nations. 5 November 2011 [2019-02-19]. (原始内容存档于2019-02-10).
"Tea"互联网档案馆的存檔,存档日期14 August 2011.. Online Etymology Dictionary. Retrieved 29 June 2012.
Online Etymology Dictionary 「tea」詞義. [2021-03-14]. (原始内容存档于2012-01-11) (English quote=The Portuguese word (attested from 1550s) came via Macao; and Rus. chai、Pers. cha、Gk. tsai、Arabic shay及and Turk. çay all came overland from the Mandarin form.). 引文格式1维护:未识别语文类型 (link)