"Robert B. Ekelund","Jr.","Robert D. Tollison" <br/><br/>
Economics 

 -  New York : Harper Collins College, c1994.  1994 
 - 862 
<br/><br/><label>ISBN: </label>9780673523013 
<br/><br/><label>Dewey Class. No.: </label>330  / 1746