Bryman, Alan <br/><br/>
Business Research Methods 

 - 4th ed. 
 - Oxford  Oxford university press  2011 
 - xv p. 584p p. 
<br/><br/><label>ISBN: </label>9780198747581 
<br/><br/><label>Dewey Class. No.: </label>658.4034 B846B