Template:R:cau:Bokarev:1981
Bokarev, Je. A. (1981), Xajdakov S. M., 编, Sravnitelʹno-istoričeskaja fonetika vostočnokavkazskix jazykov [Comparative-Historical Phonetics of East Caucasian Languages] (Russian), Moscow: Nauka
Bokarev, Je. A. (1981), Xajdakov S. M., 编, Sravnitelʹno-istoričeskaja fonetika vostočnokavkazskix jazykov [Comparative-Historical Phonetics of East Caucasian Languages] (Russian), Moscow: Nauka