Hovland, Carl I; Janis, Irving L; Kelley, Harold H. (1963). Communication and persuasion : psychological studies of opinion change / by Carl I. Hovland, Irving L. Janis, and Harold H, Kelley. New Haven and London :: Yale University Press,.
Hovland, Carl I; Janis, Irving L; Kelley, Harold H. Communication and persuasion : psychological studies of opinion change / by Carl I. Hovland, Irving L. Janis, and Harold H, Kelley. New Haven and London :: Yale University Press,, 1963
Hovland, Carl I; Janis, Irving L; Kelley, Harold H. Communication and persuasion : psychological studies of opinion change / by Carl I. Hovland, Irving L. Janis, and Harold H, Kelley. New Haven and London :: Yale University Press,, 1963.