Seminar on Opinion Polls, ESOMAR, & World Association for Public Opinion Research. (1980). Seminar on "Opinion Polls": In conjunction with the World Association for Public Opinion Research--WAPOR : Bonn/Bad Godesberg (Fed. Rep. of Germany), 23rd-26th January 1980. ESOMAR.
Cita Chicago Style (17a ed.)Seminar on Opinion Polls, ESOMAR, y World Association for Public Opinion Research. Seminar on "Opinion Polls": In Conjunction with the World Association for Public Opinion Research--WAPOR : Bonn/Bad Godesberg (Fed. Rep. of Germany), 23rd-26th January 1980. Amsterdam: ESOMAR, 1980.
Cita MLA (9a ed.)Seminar on Opinion Polls, et al. Seminar on "Opinion Polls": In Conjunction with the World Association for Public Opinion Research--WAPOR : Bonn/Bad Godesberg (Fed. Rep. of Germany), 23rd-26th January 1980. ESOMAR, 1980.
