Radio Free Europe Audience and Public Opinion Research Department. (1967). "What is the most important problem facing your country today?": (a comparative survey of 3,498 Hungarian, Polish and Czechoslovak respondents) ; January 1967. Radio Free Europe.
Chicago-Zitierstil (17. Ausg.)Radio Free Europe Audience and Public Opinion Research Department. "What Is the Most Important Problem Facing Your Country Today?": (a Comparative Survey of 3,498 Hungarian, Polish and Czechoslovak Respondents) ; January 1967. Munich: Radio Free Europe, 1967.
MLA-Zitierstil (9. Ausg.)Radio Free Europe Audience and Public Opinion Research Department. "What Is the Most Important Problem Facing Your Country Today?": (a Comparative Survey of 3,498 Hungarian, Polish and Czechoslovak Respondents) ; January 1967. Radio Free Europe, 1967.