↑ The spelling with "e" is used in Encyc. Brit. 9th. ed.,(c.1880), Everyman's Encyc. 1967, Everyman's Smaller Classical Dictionary, 1910. The current edition of Britannica spells with "e", as does Columbia and Edward Gibbon, Vol. 3, Chapter XXXVIII. The latinized spelling with a is current in older literature (so in the 1911 Britannica, but remains in use e.g. in Wood (2003), Drinkwater (2007).
↑ Edward Gibbon. “Chapter 10”. Ccel.org. Truy cập ngày 2 tháng 1 năm 2012.
↑ Histoire de l'Académie Royale des Inscriptions et Belles-Lettres, avec les Mémoires de Littérature tirés des Registres de cette Académie, depuis l'année MDCCXLIV jusques et compris l'année MDCCXLVI, vol. XVIII, (Paris 1753) pp.49–71. Excerpts are on-line at ELIOHS.
