Publication manual of the American Psychological Association 

 - 6th ed. 
 - Washington DC  American Psychological Association  2010 
 - 272p inc. ind. 
<br/><br/><label>ISBN: </label>1-4338-0561-8 
<br/><br/><label>LC Class. No.: </label>BF 76.7  / .P83 2010