SHAUGHNESSY, J. J <br/><br/>
Research Methods in Psychology 

 - 6th Ed. 
 - Boston  McGraw-Hill Irwin  2003. 
 - xvi,543p.: ill.; figures  Index, References  23cm 
<br/><br/><label>ISBN: </label>0-07-249446-8 
<br/><br/><label>Dewey Class. No.: </label>150.72 SHA