Cronbach, Lee J. <br/><br/>
Essentials of Psychological testing 

 - 4th  Ed.  
 - Singapore  Harper & Row Publishers  1984 
<br/><br/><label>ISBN: </label>0-06-350249-6 
<br/><br/><label>Dewey Class. No.: </label>150.287 CRO / ESS