Nguồn tham khảo Tiếng Phạn Vệ Đà

  1. ↑ Michael Witzel (2006). Victor H. Mair (biên tập). Contact And Exchange in the Ancient World. University of Hawaii Press. tr. 160. ISBN 978-0-8248-2884-4.
  2. 1 2 3 Philip Baldi (1983). An Introduction to the Indo-European Languages. Southern Illinois University Press. tr. 51–52. ISBN 978-0-8093-1091-3.
  3. 1 2 Christopher I. Beckwith (2009). Empires of the Silk Road: A History of Central Eurasia from the Bronze Age to the Present. Princeton University Press. tr. 363–368. ISBN 0-691-13589-4.
  4. ↑ Ahmad Hasan Dani; B. A. Litvinsky (1996). History of Civilizations of Central Asia: The crossroads of civilizations, A.D. 250 to 750. UNESCO. tr. 85. ISBN 978-92-3-103211-0.; Quote: "The oldest extant manuscript of the Avesta dates back to 1258 or 1278. In the Sasanian period, Avestan was considered a dead language."
  5. ↑ Hamid Wahed Alikuzai (2013). A Concise History of Afghanistan in 25 Volumes. Trafford. tr. 44. ISBN 978-1-4907-1441-7.;Quote "The Avestan language is called Avestan because the sacred scriptures of Zoroastrianism, Avesta, were written in this old form. Avestan died out long before the advent of Islam and except for scriptural use not much has remained of it."
  6. ↑ Rens Bod (2013). A New History of the Humanities: The Search for Principles and Patterns from Antiquity to the Present. Oxford University Press. tr. 14–18. ISBN 978-0-19-164294-4.
  7. ↑ William J. Frawley (2003). International Encyclopedia of Linguistics: AAVE-Esperanto. Vol. 1. Oxford University Press. tr. 269. ISBN 978-0-19-513977-8.