Gravetter, Frederick J. <br/><br/>
Research Methods for the Behavioral Sciences  

 - 5th ed. 
 - Australia  Cengage Learning  2016 
 - xxiii, 628p. 
<br/><br/><label>ISBN: </label>1305104137 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology --Research methodology<br/>Social sciences --Research methodology