Puerto Rico official industrial directory. / 

 - San Juan :  The Witcom Group, inc. ,  1992. 
 - v.  30 cm. 
<br/><br/> Publisher: Whitney Marketing, <-1988>; Direct Marketing & Media, 1992-  Vol. for 1992 called Special edition. 
<br/><br/><br/>English or Spanish. 
<br/><br/><label>ISSN: </label>0090-3612 
 = Puerto Rico official industrial directory 
<br/><br/><label>LCCN: </label>73641037  
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Industries--Directories.<br/>Puerto Rico<br/>Puerto Rico--Commerce--Directories.
<br/><br/><label>LC Class. No.: </label>HC157.P8  / P596 
<br/><br/><label>Dewey Class. No.: </label>380.1/025/7295 
<br/><br/><label>National Agricultural Library Call No.: </label>HF3351.P8