Oberhaus, Mary Ann. Professional selling : a relationship process / Mary Ann Oberhaus, Sharon A. Ratliffe, Vernon R. Stauble. - Fort Worth, Tex. : Dryden Press, c1993. - xv, 695 p. : ill. (some col.) ; 26 cm. - Dryden Press series in marketing . Includes bibliographical references and index. ISBN: 0030327695 LCCN: 92075903 Subjects--Topical Terms: Selling. LC Class. No.: HF5438.25 / .O24 1993 Dewey Class. No.: 658.85