Katzenstein, Herbert. <br/><br/>
Direct marketing / 
Herbert Katzenstein, William S. Sachs. 
 - 2nd ed. 
 - New York :  McGraw-Hill,  1992. 
 - xiii, 514 p. :  ill. 
<br/><br/><label>ISBN: </label>0023624256 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Direct marketing.