Futrell, Charles. Fundamentals of selling :customers for life/ Charles M. Futrell. - 5th.ed - Chicago: Irwin, 1996. - xx, 556 p. : ill. some col. ; 27 cm. - The Irwin series in marketing . ISBN: 0256138273 Subjects--Topical Terms: Selling. Dewey Class. No.: 658.85