^Strabo (1917–1932). "Book IV Chapter 6". في Jones، H. L.؛ Thayer، Bill (المحررون). Geographica. Loeb Classical Library. Harvard University Press. اطلع عليه بتاريخ 2016-08-21. After the Iapodes comes Segestica [Sisak], a city in the plain, past which flows the River Saüs, which empties into the Ister [Danube].