- ISBN 9004163891, p. 152.
Vasil Gyuzelev, The Proto-Bulgarians: Pre-history of
Asparouhian Bulgaria,
Sofia Press, 1979, p. 29.
Kevin Alan Brook, The Jews of Khazaria...
- 106. Gi︠u︡zelev,
Vasil (1979). The Proto-Bulgarians: Pre-history of
Asparouhian Bulgaria text. pp. 15, 33, 38.
Golden 1992, p. 104. Hyun Jin Kim (18...
- (help) Gi︠u︡zelev,
Vasil (1979). The Proto-Bulgarians: Pre-history of
Asparouhian Bulgaria text. pp. 15, 33, 38. Hyun Jin Kim (2013). The Huns, Rome and...
- Christians. Gi︠u︡zelev,
Vasil (1979). The Proto-Bulgarians: Pre-history of
Asparouhian Bulgaria text. pp. 15, 33, 38. Hyun Jin Kim (2013). The Huns, Rome and...
