Publication manual of the American Psychological Association. 

 - 5TH ED 
 - Washington, DC :  American Psychological Association,  2001 
 - xxviii, 439 p. : 
<br/><br/><label>ISBN: </label>9781557987907 
<br/><br/><label>LCCN: </label>2001022631 
<br/><br/><label>LC Class. No.: </label>BF76.7  / .P83 2001 
<br/><br/><label>Dewey Class. No.: </label>808/.06615