Wasserman, Paul <br/><br/>
Encyclopedia of business information sources 

 - 4th ed.- 
 - Michigan:  Gale Research Co,  1980 
 - xxxiii,778p.:  28cm. 
<br/><br/>Includes bibliographical references<br/> 
<br/><br/><label>ISBN: </label>0-8103-0368-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business<br/>Information services
<br/><br/><label>LC Class. No.: </label>REF HF5353.E9