Publication manual of the american psychological 
American psychological Assoriation 
 - 5th edition 
 - Washington  American psychological  2002 
 - xxviii,439p;ill  pbk 
<br/><br/><label>ISBN: </label>1557987912 
<br/><br/><label>LC Class. No.: </label>BF 767.  / P8 2002