^ Anikin, A. E. (2023) “жужжа́ть”, in Русский этимологический словарь [Russian Etymological Dictionary] (in Russian), issue 17 (жихарь I – засьюндывать), Moscow: Russian Language Institute, →ISBN, page 75
^ Martynaŭ, V. U., Tsykhun, G. A., editors (1978–2017), “жужэ́ць”, in Этымалагічны слоўнік беларускай мовы [Etymological Dictionary of the Belarusian Language] (in Belarusian), Minsk: Belaruskaia navuka