SPSS 6.1 for Windows :  brief guide / 
SPSS Inc. 
 - Chicago, Ill. :  SPSS Inc.,  1995. 
 - 112 p. :  ill. ;  23 cm. 
<br/><br/> At head of title: SPSS. 
<br/><br/><label>ISBN: </label>0134556771  RM52.80 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SPSS for windows.<br/>Social sciences--Statistical methods--Computer programs.