Mckenzie R B <br/><br/>
Best of the new world of economics 
Mckenzie R B; Tullock G 
 - 5 
 - USA  USA, Irwin  1989 
 - 380p 
<br/><br/><label>ISBN: </label>0-256-06798-8 
<br/><br/><label>Source: </label>Textbook