Hardyck, Curtis D. <br/><br/>
Introduction to statistics for the behavioral sciences   
by Curtis D. Hardyck, Lewis F. Petrinovich. 
 - second 
 - Philadelphia  W. B. Saunders company  1976 
 - viii, 336p. 
 - Saunders books in psychology .
<br/><br/><label>ISBN: </label>0721645216 
<br/><br/><label>Dewey Class. No.: </label>519.502415  / N76