Gwartney, James D., <br/><br/>
Essentials of economics / 
James D. Gwartney, Richard Stroup, J.R.Clark. 
 - 2nd edition 
 - New York :  Harcourt Brace Jovanovich  [1985] 
 - xvi, 485 pages :  illustrations ;  25 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0123110351 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.