SPSS for introductory statistics :  use and interpretation / 
George A. Morgan ...[et al.] 
 - 3rd ed. 
 - Mahwah, NJ :  Lawrence Erlbaum Associates ,  c2007 
 - 217 p. :  ill. ;  28 cm. 
<br/><br/><label>ISBN: </label>0805860274 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SPSS (Computer file)<br/>Social sciences--Statistical methods--Computer programs