↑ Nordhoff, Sebastian; Hammarström, Harald; Forkel, Robert; Haspelmath, Martin biên tập (2013). “Shtokavski”. Glottolog. Leipzig: Max Planck Institute for Evolutionary Anthropology.
↑ Sussex & Cubberly (2006)Lỗi harv: không có mục tiêu: CITEREFSussexCubberly2006 (trợ giúp) "The core of the modern literary languages and the major dialect area, is Shtokavian (što ‘what’), which covers the rest of the area where Serbo-Croatian is spoken."
