Mitchell, M. G. (1977). Propaganda polls, and public opinion: Are the people manupulated? Prentice Hall.
Cita Chicago (17th ed.)Mitchell, Malcolm G. Propaganda Polls, and Public Opinion: Are the People Manupulated? Prentice Hall, 1977.
Cita MLA (9th ed.)Mitchell, Malcolm G. Propaganda Polls, and Public Opinion: Are the People Manupulated? Prentice Hall, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.