Kenny, David A. <br/><br/>
Correlation And Causality 
/by David A. Kenny 
 - New York:  John Wiley & Sons;  1979. 
 - 277p. 
<br/><br/><label>ISBN: </label>0-471-02439-2 
<br/><br/><label>Dewey Class. No.: </label>510  / KEN/C