Heilbroner, Robert L. <br/><br/>
The economic problem / 
Robert L. Heilbroner, Lester C. Thurow. 
 - 6th ed. 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  c1981. 
 - 670 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>013233254X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.