Guilford, J. P  & Fruchter, Benjamin <br/><br/>
Fundamental statistics in Psychology and education 

 - 6th ed 
 - McGraw-Hill book, London  1981 
 - x,545 
<br/><br/><label>ISBN: </label>0-07-025150-9 
<br/><br/><label>Dewey Class. No.: </label>150.7253 Gui/Fru