American Psychological Association <br/><br/>
Concise rules of APA Style 

 - 6 
 - Washington,  American Psychological Association,  2015. 
 - xi, 280p. 
<br/><br/><label>ISBN: </label>9781433805608 
<br/><br/><label>Dewey Class. No.: </label>808.06 CON