O'Sullivan, A. <br/><br/>
Economics Principles, Applications and tools/ 
Arthur O'Sullivan, Sheriffrin, S. M. and Perez, S. J. 
 - 9th ed. 
 - Harlow  Pearson  2018 
 - 769p,ill.  Pbk 
<br/><br/><label>ISBN: </label>9781292165592