CS. SÓS, Ágnes. I. Gabriel, Starigrad/Oldenburg. Hauptburg der Slawen in Wagrien. Communicationes Archaeologicae Hungariae, [S. l.], v. 1989, p. 226–228, 1989. DOI: 10.54640/CAH.1989.226. Disponível em: https://ojs.elte.hu/comarchhung/article/view/10549. Acesso em: 11 jul. 2026.