Hair, Joseph F. Effective selling / Joseph F. Hair, Jr., Francis L. Nottumo, Frederick A. Russ. - Cincinnati, Ohio : South-Western Pub, c1991. - xiii, 644p. : col. ill. ; 24 cm. Glossary : p. 612 - 631. Includes bibliographical references. ISBN: 0538195703 Subjects--Topical Terms: Selling.