Managerial economics/ 
Petersen,Craig H. 
 - 4th ed. 
 - New Delhi:  Pearson Education,  2006. 
 - 622 p. 
<br/><br/><label>ISBN: </label>9788177583861 
<br/><br/><label>Dewey Class. No.: </label>330  / PET/M