Gulford, J. P. <br/><br/>
Psychometric methods 
J. P. Guilford. 
 - 2nd ed. 
 - New Delhi  Tata Mc Graw  [n.d.] 
 - ix,597p., 25cm. 
<br/><br/><label>ISBN: </label>Nil. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychological tests.<br/>Psychometrics
<br/><br/><label>Dewey Class. No.: </label>152.8  / G95P