TY  - BOOK
AU  - George,Darren
AU  - Mallery,Paul
TI  - SPSS for windows stepby step: a simple guide and reference 16.0 update 
SN  - 9780205661336
AV  - HA32  .G46 2009
PY  - 2009///
CY  - Boston
PB  - Pearson
KW  - Social sciences
KW  - Statistical methods
KW  - Computer programs
ER  -