Whiting, Percy H. <br/><br/>
The 5 great rules of selling / 
Percy H. Whiting. 
 - 2nd ed. 
 - New York:  McGraw-Hill,  c1957. 
 - 340 p. ;  22 cm. 
<br/><br/>includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Selling.
<br/><br/><label>Dewey Class. No.: </label>658.85  / WHF 1957