Castleberry, Stephen Bryon. <br/><br/>
Selling :  building partnerships / 
Stephen B. Castleberry, John F. Tanner, Jr. 
 - 8th ed. (Int. ed.) 
 - New York :  McGraw-Hill/Irwin,  c2011. 
 - 1 v. (various pagings) :  col. ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780071314251 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Selling.