Golyshenko, V. S., & Kotkov, S. I. (1987). Mi︠a︡gkostʹ soglasnykh v i︠a︡zyke vostochnykh slavi︠a︡n XI-XII vv. "Nauka".
Chicago Style (17th ed.) CitationGolyshenko, V. S., and Sergeĭ Ivanovich Kotkov. Mi︠a︡gkostʹ Soglasnykh V I︠a︡zyke Vostochnykh Slavi︠a︡n XI-XII Vv. Moskva: "Nauka", 1987.
MLA (9th ed.) CitationGolyshenko, V. S., and Sergeĭ Ivanovich Kotkov. Mi︠a︡gkostʹ Soglasnykh V I︠a︡zyke Vostochnykh Slavi︠a︡n XI-XII Vv. "Nauka", 1987.
Warning: These citations may not always be 100% accurate.