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Paul, Michael C. (January 2004). "The Military Revolution in Russia 1550–1682". The Journal of Military History. 68 (1): 31. doi:10.1353/jmh.2003.0401. S2CID159954818.
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Paul, Michael C. (January 2004). "The Military Revolution in Russia 1550–1682". The Journal of Military History. 68 (1): 31. doi:10.1353/jmh.2003.0401. S2CID159954818.
Фасмера, Макс. "Этимологический Словарь Фасмера"[Vasmer's Etymological Dictionary] (in Russian). p.321. Archived from the original on 27 October 2017. Retrieved 12 October 2012.
Rowland, Daniel B. (2020). God, Tsar, and people: the political culture of early modern Russia. Ithaca: Cornell University Press. ISBN978-1-5017-5211-7. OCLC1145926960.