International economics theory& policy: 
Paul R.Krugman...[et al.]. 
 - 9th ed. 
 - Boston:  Pearson,  2012. 
 - vii,660p.; 
<br/><br/><label>ISBN: </label>1256340952 
<br/><br/><label>Subjects--Topical Terms: </label><br/>international economics
<br/><br/><label>LC Class. No.: </label>HF1411.K74 2012