Directory of industry data sources:   The united states of America and Canada 
/ Ballinger Publishing Company, Volume 3 
 - Cambride:   Ballinger Publishing Company,   1982 
 - xvii, 2202p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industry 
<br/><br/><label>Subjects--Index Terms: </label>Directory  
<br/><br/><label>Universal Decimal Class. No.: </label>R 62/69:061.6(058.7)  / M2.3