Mitchell, M. G. (1977). Propaganda polls, and public opinion: Are the people manupulated? Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Mitchell, Malcolm G. Propaganda Polls, and Public Opinion: Are the People Manupulated? Prentice Hall, 1977.
Lua MLA (9ú heag.)Mitchell, Malcolm G. Propaganda Polls, and Public Opinion: Are the People Manupulated? Prentice Hall, 1977.
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