อ้างอิง ของ ทิวเขาฮิญาซ

  1. ↑ Scoville, Sheila A. (2006). "3". Gazetteer of Arabia: a geographical and tribal history of the Arabian Peninsula. 2. Akademische Druck- u. Verlagsanstalt. p. 288. ISBN 0-7614-7571-0.
  2. 1 2 Judas, J.; Paillat, P.; Khoja, A.; Boug, A. (2006). "Status of the Arabian leopard in Saudi Arabia" (PDF). Cat News (Special Issue 1): 11–19.
  3. 1 2 Spalton, J. A.; Al-Hikmani, H. M. (2006). "The Leopard in the Arabian Peninsula – Distribution and Subspecies Status" (PDF). Cat News (Special Issue 1): 4–8. Unknown parameter |name-list-style= ignored (help)
  4. ↑ Nasr, Seyyed Hossein (2013). "1: The Holiest Cities of Islam". Mecca the Blessed, Medina the Radiant: The Holiest Cities of Islam. Tuttle Publishing. ISBN 978-1-4629-1365-7.
  5. ↑ "The Infallibles Taken from Kitab al Irshad By Sheikh al Mufid". Al-Islam.org. สืบค้นเมื่อ 2008-11-20.
  6. ↑ Teller, Matthew (1 November 2012). "The Happy Ones". Saudi Aramco World. สืบค้นเมื่อ 10 December 2018.

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