APA

Valenta J., . (1979). Soviet Intervention in Czechoslovakia 1968. Baltimore: John Hopkins University Press.

Chicago

Valenta Jiri, . 1979. Soviet Intervention in Czechoslovakia 1968. Baltimore: John Hopkins University Press.

Harvard

Valenta J., . (1979). Soviet Intervention in Czechoslovakia 1968. Baltimore: John Hopkins University Press.

MLA

Valenta Jiri, . Soviet Intervention in Czechoslovakia 1968. Baltimore: John Hopkins University Press. 1979.