Kusin, V.V. (1972). Political Grouping in the Czechoslovak Reform Movement, London, Macmillan
2.
Roshco, B. (1975) Newsmaking, Chicago and London, University of Chicago Press
3.
RADIO FREE EUROPE-RADIO LIBERTY, Audience and Public Opinion Research Department (June 1978). The Audience and RFE's Coverage of International and Domestic Events and the Coverage of the U.S.A.