Shaughnessy John <br/><br/>
Research Mrthods In Psychology 

 - 5th Ed. 
 -  McGraw-Hill  2000 
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0072312602 
<br/><br/><label>Dewey Class. No.: </label>150.72  / SHA/ZEC