Futrell, Charles M. Fundamentals of selling : customers for life / Charles M. Futrell. - 6th ed. - Boston : Irwin, c1999. - xxiii, 584p. : col. ill. ; 26 cm. - Irwin/McGraw-Hill series in marketing . Glossary : p. 564 - 573. Includes bibliographies and index. ISBN: 025625981X Subjects--Topical Terms: Selling.