Lucas, Robert W. Customer service : building successful skills for the twenty-first century / Robert W. Lucas. - 3rd ed. - Boston : McGraw-Hill, c2009. - xvi, 416 p. : ill. (some col.), col. maps ; 26 cm. Includes bibliographical references (p. 406-408) and index. ISBN: 9780071277501 LCCN: 2004-044880 Subjects--Topical Terms: Customer services. LC Class. No.: HF5415.5 / .L83 2009