Bak 1999. Bak, János M.; Bónis, György; Sweeney, James Ross (1999). «The Laws of King Stephen I (1000–1038)». The Laws of the Medieval Kingdom of Hungary, 1000–1301. Salt Lake City: Imprensa Charles Schlacks, Jr. ISBN1-884445-29-2. OCLC495379882A referência emprega parâmetros obsoletos |coautor= (ajuda)