Christenson, R. M., & McWilliams, R. O. (1967). Voice of the people: Readings in public opinion an propaganda (2a. ed.). McGraw-Hill.
Citace podle Chicago (17th ed.)Christenson, Reo M., a Robert O. McWilliams. Voice of the People: Readings in Public Opinion an Propaganda. 2a. ed. Nueva York: McGraw-Hill, 1967.
Citace podle MLA (9th ed.)Christenson, Reo M., a Robert O. McWilliams. Voice of the People: Readings in Public Opinion an Propaganda. 2a. ed. McGraw-Hill, 1967.
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