Jelaskan Sumber dari István II dari Hungaria

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Deeds of John and Manuel Comnenus by John Kinnamos (Translated by Charles M. Brand) (1976). Columbia University Press. .

O City of Byzantium, Annals of Niketas Choniatēs (Translated by Harry J. Magoulias) (1984). Wayne State University Press. .

The Hungarian Illuminated Chronicle:'' Chronica de Gestis Hungarorum (Edited by Dezső Dercsényi) (1970). Corvina, Taplinger Publishing. .