Priest, Lorna A.; Iancu, Laurentiu; Everson, Michael. Proposal to encode C WITH BAR(PDF). Unicode.org. 14 October 2010 [23 February 2018]. (原始内容存档(PDF)于2022-01-19).
Priest, Lorna A.; Iancu, Laurentiu; Everson, Michael. Proposal to encode C WITH BAR(PDF). Unicode.org. 14 October 2010 [23 February 2018]. (原始内容存档(PDF)于2022-01-19).