Hirsch Bary T <br/><br/>
Economic analysis of unions : New approaches and evidence 
Hirsch Bary T; Addison Johan T 
 - London  London, Allen & Unwin  1986 
 - 348p 
<br/><br/><label>ISBN: </label>0-04-331097-4 
<br/><br/><label>Source: </label>Textbook