Christenson, R. M., & McWilliams, R. O. (1962). Voice of the people: Readings in public opinion and propaganda. McGraw-Hill Company.
Lua i Stíl Chicago (17ú heag.)Christenson, Reo M., agus Robert O. McWilliams. Voice of the People: Readings in Public Opinion and Propaganda. New York [u.a.]: McGraw-Hill Company, 1962.
Lua MLA (8ú heag.)Christenson, Reo M., agus Robert O. McWilliams. Voice of the People: Readings in Public Opinion and Propaganda. McGraw-Hill Company, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.