International standard classification of occupations :  ISCO-88. 

 - [Rev. ed. 1988]. 
 - Geneva :  International Labour Office,  1990. 
 - vii, 457 p. ;  28 cm. 
<br/><br/><label>ISBN: </label>9221064387 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Occupations--Classification.
<br/><br/><label>LC Class. No.: </label>REF HB2582 INT