Unruh, James A. Customers mean business : six steps to building relationships that last / James A. Unruh. - Reading, Mass : Addison-Wesley, 1996. - xii, 212 p. : ill. ; 24 cm. Gift Includes index. ISBN: 9780201590432 Subjects--Topical Terms: Customer relations--Case studies.Customer services--Management--Case studies.Success in business--Case studies.--Case studies.