Robert M. Liebert <br/><br/>
Science And Behaviour An Introduction To Methods Of Psychological Research 

 - 4th ed 
 -   Prentice Hall International  ©1995 
<br/><br/><label>ISBN: </label>9780131851412  36 
<br/><br/><label>Dewey Class. No.: </label>150.724 LIE.4