Frude, Neil <br/><br/>
A guide to SPSS/PC+ / 
Neil Frude 
 - 2nd edition. 
 - London :  The Macmillan press Ltd.,  1993. 
 - xvii, 336 pages ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0333589084 9780333589083 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences --Statistical methods.<br/>SPSS (Computer file)