Word-of-mouth marketing / Jerry R. Wilson. Wilson, Jerry R. Customer services United States Public opinion. Consumer satisfaction United States. Consumer behavior United States. Advertising United States. Public opinion United States. HF5415.5 .W59 1990 658.812 WIW Includes index. New York : J. Wiley, c1991. c1991. 1991 Text xv, 256 p. : eng United States United States. United States. United States.