Clayton, Gary A. <br/><br/>
Economics Principles and Practices  english 
Clayton , Gary E. 
 - Columbus  Glencoe/McGraw- Hill  1995 
 - xiv, 626p.  pictures, Figures, Tables, maps  28cm 
<br/><br/><label>ISBN: </label>0028230485 
<br/><br/><label>Dewey Class. No.: </label>330.01  / CLA