White, L. Theresa <br/><br/>
Research Methods: 

 - 9th ed. 
 - United Kingdom:  Wadsworth,  2013. 
 - 457p.: 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>9781133309598 
<br/><br/><label>LC Class. No.: </label>BF181  / whi2016