Bremmam, Frank. <br/><br/>
Personal selling :  a professional approach / 
Frank E. Brennan. 
 - Chicago :  Science Research Associates,  1983 
 - xvii, 455 p. :  ill. ;  25 cm. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>057420685X 
<br/><br/><label>LCCN: </label>8223118  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Selling.