Leech, Nancy L. <br/><br/>
IBM SPSS for intermediate statistics :  use and interpretation / 
by Nancy L. Leech, George A. Morgan, Karen C. Barrett. 
 - 4th ed. 
 - London :  Routledge Academic,  2011. 
 - 1 v. 
<br/><br/><label>ISBN: </label>9780415880473 (pbk.) 0415880475 (pbk.) 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>SPSS (Computer file)
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Statistical methods--Computer programs.