Hovland, C. I., Janis, I. L., & Kelley, H. H. (1963). Communication and persuasion: Psychological studies of opinion change (7. Aufl.). Yale University Press.
Lua i Stíl Chicago (17ú heag.)Hovland, Carl I., Irving L. Janis, agus Harold H. Kelley. Communication and Persuasion: Psychological Studies of Opinion Change. 7. Aufl. New Haven [u.a.]: Yale University Press, 1963.
Lua MLA (8ú heag.)Hovland, Carl I., et al. Communication and Persuasion: Psychological Studies of Opinion Change. 7. Aufl. Yale University Press, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.