อ้างอิง ของ อักษรอาระเบียใต้

  1. ↑ Daniels, Peter T.; Bright, William, eds. (1996). The World's Writing Systems. Oxford University Press, Inc. pp. 89, 98, 569–570. ISBN 978-0195079937.
  2. ↑ Gragg, Gene (2004). "Ge'ez (Aksum)". In Woodard, Roger D. The Cambridge Encyclopedia of the World's Ancient Languages. Cambridge University Press. p. 431. ISBN 0-521-56256-2.
  3. ↑ Fattovich, Rodolfo, "Akkälä Guzay" in Uhlig, Siegbert, ed. Encyclopaedia Aethiopica: A-C. Wiesbaden: Otto Harrassowitz KG, 2003, p. 169.
  4. ↑ "Unicode Character Database: UnicodeData.txt". The Unicode Standard. สืบค้นเมื่อ 2017-09-11.
  5. 1 2 3 Maktari, Sultan; Mansour, Kamal (2008-01-28). "L2/08-044: Proposal to encode Old South Arabian Script" (PDF).