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Ralph W.R.W.FasoldRalph W.R.W., The politics of language, [w:] Ralph W.R.W.Fasold, JeffreyJ.Connor-Linton (red.), An Introduction to Language and Linguistics, Cambridge, UK: Cambridge University Press, 2006, s. 389, ISBN 978-0-521-84768-1, OCLC62532880(ang.).
DarkoD.BrodićDarkoD., AlessiaA.AmelioAlessiaA., Discrimination of Different Serbian Pronunciations from Shtokavian Dialect, „Procedia Computer Science”, 112, Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 21st International Conference, KES-20176-8 September 2017, Marseille, France, 2017, s. 1935–1944, DOI: 10.1016/j.procs.2017.08.047, ISSN1877-0509, OCLC7125521353(ang.).