^Traian Stoianovich; (1992), Balkan Worlds: The First and Last Europe: The First and Last Europe p. 152; Routledge, ISBN1563240335
^Noel Malcolm; (1996), Bosnia: A Short History p. 98; NYU Press, ISBN0814755615
^Ferenc VÉGH; (2017), University of Pécs Institute of History, The Contribution of the Hungarian Historiography to the Research on the "Military Frontier" in the Early Modern Period (16th-17th Centuries), {The Habsburg government in this way came to relatively cheap military force using the South Slavic (Croatian, Vlach, Serbian) grencers} #page= 169
^Ivo Banac; (1984) The National Question in Yugoslavia: Origins, History, Politics p. 43; Cornell University Press, ISBN0801416752
^Karl Kaser; (2012) Household and Family in the Balkans: Two Decades of Historical Family Research at University of Graz p. 123-124; LIT Verlag, ISBN3643504063