MLA

Ruble, Blair A. Soviet Trade Unions : Their Development In the 1970s. Cambridge [Eng.]: Cambridge University Press, 1981.

APA

Ruble, B. A. (1981). Soviet trade unions : their development in the 1970s. Cambridge [Eng.]: Cambridge University Press.

Chicago

Ruble, Blair A., Soviet Trade Unions: Their Development In the 1970s. Cambridge [Eng.]: Cambridge University Press, 1981.