Guilford, J. P. <br/><br/>
Psychometric methods/2e 

 - 2nd ed. 
 - Bombay  McGraw-Hill,  1954. 
 - ix, 597 p. 
 - McGraw-Hill series in psychology .
<br/><br/><label>Subjects--Index Terms: </label>Psycholetric methods   Psychology 
<br/><br/><label>Dewey Class. No.: </label>150.015 195  / GUI