Cooper, Donald R. <br/><br/>
Business research methods. 

 - 7th ed. 
 - New York :  McGraw Hill Irwin,  2001. 
 - xviii, 798 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0072314516 
<br/><br/><label>Dewey Class. No.: </label>004.42 COO