Consumer behavior : concepts and strategies / Harold W. Berkman and Christopher C. Gilson. Berkman, Harold W. Gilson, Christopher C., joint author. Consumers. Consumers United States. Consumer behavior. 658.83 BEC Includes bibliographical references and index. Encino, Calif. : Dickenson, c1978. c1978. 1978 Text 562 p. : eng United States.