Frude, Neil. <br/><br/>
A guide to SPSS/PC+ / 
Neil Frude. 
 - 2nd ed. 
 - Houndmills, Basingstoke :  Macmillan,  1993. 
 - xvi, 336 p. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0333589084 (pbk.) 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>SPSS/PC+ (Computer file).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Statistical methods--Computer programs.