Chú thích Volga_Bulgaria

  1. ↑ Nicolle, David (2013). Armies of the Volga Bulgars & Khanate of Kazan. tr. 14.
  2. ↑ Champion, Timothy (2014). Nationalism and Archaeology in Europe. tr. 227.
  3. ↑ Koesel, Karrie J. (2014). Religion and Authoritarianism: Cooperation, Conflict, and the Consequences. tr. 103.
  4. ↑ (tiếng Tatar)“Болгарлар”. Bách khoa Toàn thư Tatar. Kazan: Viện Khoa học Cộng hòa Tatarstan, Cơ quan Bách khoa thư Tatar. 2002.
  5. ↑ A History of Russia: Since 1855, Walter Moss, pg 29
  6. ↑ Makkay, János (2008), “Siculica Hungarica De la Géza Nagy până la Gyula László” [Siculica Hungarica From Géza Nagy to Gyula László] (PDF), Acta Siculica: 209–240