APA
Butko I., . (1977). What is soviet democracy?. Kiev: Ukraina Society.
Chicago
Butko Ihor, . 1977. What is soviet democracy?. Kiev: Ukraina Society.
Harvard
Butko I., . (1977). What is soviet democracy?. Kiev: Ukraina Society.
MLA
Butko Ihor, . What is soviet democracy?. Kiev: Ukraina Society. 1977.
