Reichheld Frederick F The loyalty effect : the hidden force behind growth, profits, and lasting value / Frederick F. Reichheld with Thomas Teal. - Boston, Mass. : Harvard Business School Press, 2001. - xviii, 323 p. : ill. ; 24 cm. Includes bibliographical references and index. ISBN: 1578516870 9781578516872 Subjects--Topical Terms: Customer relationsConsumer satisfactionJob satisfactionLabor productivityLoyalty LC Class. No.: HF5415.5