COZBY, P. C. <br/><br/>
Methods in Behavioral Research. 

 - 8th Ed. 
 - New York,  McGraw Hill,  2003. 
 - xi, 396p.: ill.; picture.  Glossary, Index & References.  23cm 
<br/><br/><label>ISBN: </label>0-07-252342-5 
<br/><br/><label>Dewey Class. No.: </label>150.72 COZ