Case, Karl E. <br/><br/>
Principles of economics / 
Karl E. Case. 
 - 10th ed. 
 - London :  Pearson Education Limited,  2013. 
 - 813 p.:   ill.  28 cm. 
<br/><br/> Includes index 
<br/><br/><br/>in English 
<br/><br/><label>ISBN: </label>978-0-273-77988-9 
<br/><br/><label>LC Class. No.: </label>330 C26p c2013